Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
La\u0300m tro\u0300n s\u00f4\u0301 la\u0300 ph\u00e2\u0300n ki\u00ea\u0301n th\u01b0\u0301c quan tro\u0323ng trong ch\u01b0\u01a1ng tri\u0300nh Toa\u0301n l\u01a1\u0301p 7 ph\u00e2\u0300n s\u00f4\u0301 ho\u0323c. Ph\u00e2\u0300n ki\u00ea\u0301n th\u01b0\u0301c na\u0300y co\u0301 ti\u0301nh \u01b0\u0301ng du\u0323ng r\u00e2\u0301t cao trong th\u01b0\u0323c t\u00ea\u0301. \u0110\u00f4\u0301i v\u01a1\u0301i m\u00f4\u0323t s\u00f4\u0301 ba\u0323n ho\u0323c sinh v\u00e2\u0303n co\u0300n hay nh\u00e2\u0300m l\u00e2\u0303n va\u0300 ch\u01b0a hi\u00ea\u0309u ro\u0303 v\u00ea\u0300 ca\u0301ch la\u0300m tro\u0300n s\u00f4\u0301. Trong ba\u0300i vi\u00ea\u0301t na\u0300y, Vietlearn se\u0303 giu\u0301p ca\u0301c ba\u0323n ho\u0323c sinh la\u0300m tro\u0300n s\u00f4\u0301 d\u00ea\u0303 da\u0300ng, \u0111\u01a1n gia\u0309n:<\/p>\n\n\n\n
Vi\u0301 du\u0323 minh ho\u0323a<\/p>\n\n\n\n
Vi\u0301 du\u0323 1 : Ha\u0303y la\u0300m tro\u0300n ca\u0301c s\u00f4\u0301 sau \u0111\u00ea\u0301n ha\u0300ng \u0111\u01a1n vi\u0323: 4.3 va\u0300 4.9<\/p>\n\n\n\n
Vi\u0301 du\u0323 v\u00ea\u0300 la\u0300m tro\u0300n s\u00f4\u0301<\/p>\n\n\n\n
Quan sa\u0301t hi\u0300nh ve\u0303, ta th\u00e2\u0301y:<\/p>\n\n\n\n
4.3 g\u00e2\u0300n v\u01a1\u0301i 4 h\u01a1n la\u0300 5 n\u00ean ta la\u0300m tro\u0300n 4.3 tha\u0300nh 4 thay vi\u0300 5. Ki\u0301 hi\u00ea\u0323u 4.3 \u2248 4<\/p>\n\n\n\n
4.9 g\u00e2\u0300n v\u01a1\u0301i 5 h\u01a1n la\u0300 4 n\u00ean ta la\u0300m tro\u0300n 4.9 tha\u0300nh 5 thay vi\u0300 4. Ki\u0301 hi\u00ea\u0323u 4.9 \u2248 5<\/p>\n\n\n\n
K\u00ea\u0301t lu\u00e2\u0323n: Khi la\u0300m tro\u0300n m\u00f4\u0323t s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n t\u01a1\u0301i ha\u0300ng \u0111\u01a1n vi\u0323, ta la\u0300m tro\u0300n s\u00f4\u0301 \u0111o\u0301 v\u01a1\u0301i s\u00f4\u0301 nguy\u00ean g\u00e2\u0300n no\u0301 nh\u00e2\u0301t.<\/p>\n\n\n\n
Vi\u0301 du\u0323 2: Ha\u0303y la\u0300m tro\u0300n ca\u0301c s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n sau \u0111\u00ea\u0301n ha\u0300ng \u0111\u01a1n vi\u0323:<\/p>\n\n\n\n
5.7 \u2248 \u2026<\/p>\n\n\n\n
2.9 \u2248 \u2026<\/p>\n\n\n\n
3.4 \u2248 \u2026<\/p>\n\n\n\n
2.3 \u2248 \u2026<\/p>\n\n\n\n
1.2 \u2248 \u2026<\/p>\n\n\n\n
L\u01a1\u0300i gia\u0309i<\/p>\n\n\n\n
5.7 \u2248 6<\/p>\n\n\n\n
2.9 \u2248 3<\/p>\n\n\n\n
3.4 \u2248 4<\/p>\n\n\n\n
2.3 \u2248 2<\/p>\n\n\n\n
1.2 \u2248 1<\/p>\n\n\n\n
Vi\u0301 du\u0323 3: Ha\u0303y la\u0300m tro\u0300n s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n sau \u0111\u00ea\u0301n ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 3\/ la\u0300m tro\u0300n \u0111\u00ea\u0301n ha\u0300ng ph\u00e2\u0300n nghi\u0300n: 0.1258<\/p>\n\n\n\n
L\u01a1\u0300i gia\u0309i:<\/p>\n\n\n\n
Ta co\u0301 0.1258 g\u00e2\u0300n v\u01a1\u0301i 0.126 h\u01a1n la\u0300 0.125 n\u00ean ta co\u0301: 0.1258 \u2248 0.126<\/p>\n\n\n\n
Quy \u01b0\u01a1\u0301c la\u0300m tro\u0300n s\u00f4\u0301<\/p>\n\n\n\n
Tr\u01b0\u01a1\u0300ng h\u01a1\u0323p 1<\/p>\n\n\n\n
Trong ca\u0301c ch\u01b0\u0303 s\u00f4\u0301 bo\u0309 \u0111i n\u00ea\u0301u ch\u01b0\u0303 s\u00f4\u0301 \u0111\u00e2\u0300u ti\u00ean nho\u0309 h\u01a1n 5 . Ta gi\u01b0\u0303 nguy\u00ean ca\u0301c ch\u01b0\u0303 s\u00f4\u0301 \u0111\u0103ng tr\u01b0\u01a1\u0301c. N\u00ea\u0301u la\u0300 s\u00f4\u0301 nguy\u00ean ta thay ch\u01b0\u0303 s\u00f4\u0301 bo\u0309 \u0111i tha\u0300nh s\u00f4\u0301 0.<\/p>\n\n\n\n
Vi\u0301 du\u0323:<\/p>\n\n\n\n
a. La\u0300m tro\u0300n s\u00f4\u0301 123.436 \u0111\u00ea\u0301n ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 nh\u00e2\u0301t.<\/p>\n\n\n\n
Ta th\u00e2\u0301y:<\/p>\n\n\n\n
4 la\u0300 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 nh\u00e2\u0301t cu\u0309a s\u00f4\u0301 tr\u00ean.<\/p>\n\n\n\n
Ch\u01b0\u0303 s\u00f4\u0301 \u0111\u00e2\u0300u ti\u00ean bi\u0323 bo\u0309 \u0111i la\u0300 3. Ma\u0300 3 < 5<\/p>\n\n\n\n
=> Ta gi\u01b0\u0303 nguy\u00ean b\u00f4\u0323 ph\u00e2\u0323n co\u0300n la\u0323i. Ta \u0111\u01b0\u01a1\u0323c k\u00ea\u0301t qua\u0309 la\u0300: 123.436 \u2248 123.4<\/p>\n\n\n\n
b. La\u0300m tro\u0300n s\u00f4\u0301 423 \u0111\u00ea\u0301n ha\u0300ng tro\u0300n chu\u0323c<\/p>\n\n\n\n
Ta th\u00e2\u0301y:<\/p>\n\n\n\n
2 la\u0300 ha\u0300ng chu\u0323c cu\u0309a s\u00f4\u0301 tr\u00ean.<\/p>\n\n\n\n
3 la\u0300 ch\u01b0\u0303 s\u00f4\u0301 \u0111\u00e2\u0300u ti\u00ean bi\u0323 bo\u0309 \u0111i. Ma\u0300 3 < 5<\/p>\n\n\n\n
=> Ta co\u0301 k\u00ea\u0301t qua\u0309 la\u0300 423 \u2248 420<\/p>\n\n\n\n
Tr\u01b0\u01a1\u0300ng h\u01a1\u0323p 2<\/p>\n\n\n\n
Trong ca\u0301c ch\u01b0\u0303 s\u00f4\u0301 bo\u0309 \u0111i n\u00ea\u0301u ch\u01b0\u0303 s\u00f4\u0301 \u0111\u00e2\u0300u ti\u00ean l\u01a1\u0301n h\u01a1n ho\u0103\u0323c b\u0103\u0300ng 5. Ta c\u00f4\u0323ng th\u00eam 1 va\u0300o ch\u01b0\u0303 s\u00f4\u0301 \u0111\u0103\u0300ng tr\u01b0\u01a1\u0301c (ch\u01b0\u0303 s\u00f4\u0301 cu\u00f4\u0301i cu\u0300ng cu\u0309a ph\u00e2\u0300n co\u0300n la\u0323i). N\u00ea\u0301u la\u0300 s\u00f4\u0301 nguy\u00ean ta thay ch\u01b0\u0303 s\u00f4\u0301 bo\u0309 \u0111i b\u0103\u0300ng ch\u01b0\u0303 s\u00f4\u0301 0.<\/p>\n\n\n\n
Vi\u0301 du\u0323<\/p>\n\n\n\n
a. La\u0300m tro\u0300n s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n 5.689 \u0111\u00ea\u0301n ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 2.<\/p>\n\n\n\n
Ta th\u00e2\u0301y:<\/p>\n\n\n\n
8 la\u0300 ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 2.<\/p>\n\n\n\n
9 la\u0300 ch\u01b0\u0303 s\u00f4\u0301 \u0111\u00e2\u0300u ti\u00ean bi\u0323 bo\u0309 \u0111i. Ma\u0300 9 > 5<\/p>\n\n\n\n
=> Ta c\u00f4\u0323ng th\u00eam 1 va\u0300o ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 2. Ta co\u0301 k\u00ea\u0301t qua\u0309 la\u0300 5.689 \u2248 5.69<\/p>\n\n\n\n
\u0110o\u0323c th\u00eam: Toa\u0301n 7: S\u00f4\u0301 th\u00e2\u0323p ph\u00e2n h\u01b0\u0303u ha\u0323n va\u0300 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n v\u00f4 ha\u0323n tu\u00e2\u0300n hoa\u0300n<\/p>\n\n\n\n
Ba\u0300i t\u00e2\u0323p v\u00e2\u0323n du\u0323ng<\/p>\n\n\n\n
Ba\u0300i 1: La\u0300m tro\u0300n ca\u0301c s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n sau:<\/p>\n\n\n\n
12.56; 256.985; 1.42; 2.378; 65.52; 12.258<\/p>\n\n\n\n
L\u01a1\u0300i gia\u0309i:<\/p>\n\n\n\n
12.56 \u2248 12.6<\/p>\n\n\n\n
256.985 \u2248 256.99<\/p>\n\n\n\n
1.42 \u2248 1.4<\/p>\n\n\n\n
2.378 \u2248 2.4<\/p>\n\n\n\n
65.52 \u2248 65.5<\/p>\n\n\n\n
12.58 \u2248 12.6<\/p>\n\n\n\n
Ba\u0300i 2: Ti\u0301nh chu vi va\u0300 di\u00ea\u0323n ti\u0301ch cu\u0309a hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t. Bi\u00ea\u0301t chi\u00ea\u0300u da\u0300i hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t la\u0300 25.37 cm. Chi\u00ea\u0300u r\u00f4\u0323ng hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t la\u0300 10.5cm. La\u0300m tro\u0300n k\u00ea\u0301t qua\u0309 \u0111\u00ea\u0301n ha\u0300ng \u0111\u01a1n vi\u0323.<\/p>\n\n\n\n
L\u01a1\u0300i gia\u0309i<\/p>\n\n\n\n
Chu vi hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t la\u0300: (25.37 + 10.5) x 2 = 68.14 cm \u2248 68cm<\/p>\n\n\n\n
Di\u00ea\u0323n ti\u0301ch hi\u0300nh ch\u01b0\u0303 nh\u00e2\u0323t la\u0300: 25.37 x 10.5 = 266.385 cm\u00b2 \u2248 266cm\u00b2<\/p>\n\n\n\n
Ba\u0300i 3: La\u0300m tro\u0300n s\u00f4\u0301 \u0111\u00ea\u0301n ha\u0300ng \u0111\u01a1n vi\u0323:<\/p>\n\n\n\n
1.256; 2.358; 25.58; 36.124; 20.025; 137.256<\/p>\n\n\n\n
Ba\u0300i 4: La\u0300m tro\u0300n s\u00f4\u0301 \u0111\u00ea\u0301n ch\u01b0\u0303 s\u00f4\u0301 th\u00e2\u0323p ph\u00e2n th\u01b0\u0301 nh\u00e2\u0301t:<\/p>\n\n\n\n
25.36; 658.879; 125.65; 2.37; 1.54; 0.258<\/p>\n\n\n\n
Nh\u01b0\u0303ng \u0111i\u00ea\u0300u c\u01a1 ba\u0309n \u0111\u00ea\u0309 g\u0103\u0301n k\u00ea\u0301t cha me\u0323 v\u01a1\u0301i con ca\u0301i<\/p>\n\n\n\n
M\u00f4\u0323t th\u01b0\u0301c t\u00ea\u0301 hi\u00ea\u0323n nay \u0111o\u0301 la\u0300 con ca\u0300ng l\u01a1\u0301n thi\u0300 khoa\u0309ng ca\u0301ch gi\u01b0\u0303a cha me\u0323 v\u01a1\u0301i con ca\u0301i la\u0323i ca\u0300ng xa. Nh\u01b0\u0303ng gia \u0111i\u0300nh co\u0301 m\u00f4\u0301i quan h\u00ea\u0323 gi\u01b0\u0303a b\u00f4\u0301 me\u0323 va\u0300 con ca\u0301i th\u00e2\u0323t s\u01b0\u0323 th\u00e2n thi\u00ea\u0301t kha\u0301i i\u0301t. B\u00f4\u0301 me\u0323 lu\u00f4n mong mu\u00f4\u0301n th\u00e2\u0301u hi\u00ea\u0309u va\u0300 g\u00e2\u0300n con? Con ca\u0301i r\u00e2\u0301t y\u00eau th\u01b0\u01a1ng cha me\u0323 cu\u0309a mi\u0300nh ngay ca\u0309 khi chu\u0301ng l\u01a1\u0301n. V\u00e2\u0323y \u0111i\u00ea\u0300u gi\u0300 khi\u00ea\u0301n khoa\u0309ng ca\u0301ch nga\u0300y cang xa khi con nga\u0300y ca\u0300ng l\u01a1\u0301n.<\/p>\n\n\n\n
T\u00e2m ly\u0301 con ca\u0301i va\u0300 cha me\u0323<\/p>\n\n\n\n
Ra\u0300o ca\u0309n l\u01a1\u0301n nh\u00e2\u0301t d\u00e2\u0303n \u0111\u00ea\u0301n khoa\u0309ng ca\u0301ch chi\u0301nh la\u0300 b\u00f4\u0301 me\u0323 va\u0300 con ca\u0301i kh\u00f4ng th\u01b0\u0323c s\u01b0\u0323 th\u00e2\u0301u hi\u00ea\u0309u t\u00e2m ly\u0301, suy nghi\u0303 cu\u0309a nhau. S\u01b0\u0323 b\u00e2\u0301t \u0111\u00f4\u0300ng trong quan \u0111i\u00ea\u0309m gi\u01b0\u0303a ca\u0301c th\u00ea\u0301 h\u00ea\u0323 kha\u0301c nhau la\u0300 \u0111i\u00ea\u0300u kh\u00f4ng th\u00ea\u0309 tra\u0301nh kho\u0309i. Vi\u00ea\u0323c xo\u0301a bo\u0309 ra\u0300o ca\u0309n na\u0300y kh\u00f4ng pha\u0309i ai cu\u0303ng la\u0300m \u0111\u01b0\u01a1\u0323c. \u0110i\u00ea\u0300u na\u0300y \u0111o\u0300i ho\u0309i s\u01b0\u0323 ki\u00ean nh\u00e2\u0303n t\u01b0\u0300 cha me\u0323.<\/p>\n\n\n\n
Khi ca\u0301c con l\u01a1\u0301n ca\u0301c con co\u0301 s\u01b0\u0323 thay \u0111\u00f4\u0309i v\u00ea\u0300 t\u00e2m sinh ly\u0301, suy nghi\u0303. B\u00f4\u0301 me\u0323 c\u00e2\u0300n th\u00e2\u0301u hi\u00ea\u0309u \u0111\u01b0\u01a1\u0323c t\u00e2m ly\u0301 cu\u0309a con \u0111\u00ea\u0309 co\u0301 ca\u0301ch c\u01b0 x\u01b0\u0309 phu\u0300 h\u01a1\u0323p. Vi\u0301 du\u0323 nh\u01b0 khi con l\u01a1\u0301n con r\u00e2\u0301t mu\u00f4\u0301n kh\u0103\u0309ng \u0111i\u0323nh ba\u0309n th\u00e2n, \u0111\u01b0\u01a1\u0323c t\u00f4n tro\u0323ng y\u0301 ki\u00ea\u0301n, con kh\u00f4ng mu\u00f4\u0301n ng\u01b0\u01a1\u0300i kha\u0301c nghi\u0303 mi\u0300nh be\u0301 va\u0300 kh\u00f4ng bi\u00ea\u0301t gi\u0300. Vi\u00ea\u0323c lu\u00f4n cho r\u0103\u0300ng con co\u0300n nho\u0309 \u0111\u00ea\u0309 t\u01b0\u0323 quy\u00ea\u0301t \u0111i\u0323nh nh\u01b0\u0303ng vi\u00ea\u0323c \u0111o\u0301 hay kh\u00f4ng l\u0103\u0301ng nghe y\u0301 ki\u00ea\u0301n cu\u0309a con. Con se\u0303 th\u00e2\u0301y bu\u00f4\u0300n va\u0300 ca\u0309m th\u00e2\u0301y l\u01a1\u0300i no\u0301i cu\u0309a mi\u0300nh kh\u00f4ng \u0111\u01b0\u01a1\u0323c l\u0103\u0301ng nghe. T\u01b0\u0300 \u0111o\u0301, con se\u0303 i\u0301t chia se\u0309 h\u01a1n \u0111\u00e2y la\u0300 \u0111i\u00ea\u0300u khi\u00ea\u0301n khoa\u0309ng ca\u0301ch cha me\u0323 va\u0300 con ca\u0301ch xa h\u01a1n. B\u00f4\u0301 me\u0323 \u0111\u01b0\u0300ng m\u0103\u0301ng con tr\u01b0\u01a1\u0301c m\u0103\u0323t ng\u01b0\u01a1\u0300i ngoa\u0300i nhe\u0301. Ha\u0303y no\u0301i chuy\u00ea\u0323n ri\u00eang v\u01a1\u0301i con. M\u0103\u0301ng con tr\u01b0\u01a1\u0301c m\u0103\u0323t ng\u01b0\u01a1\u0300i ngoa\u0300i nh\u01b0 ba\u0323n be\u0300,.. se\u0303 khi\u00ea\u0301n be\u0301 x\u00e2\u0301u h\u00f4\u0309 va\u0300 d\u00e2\u0300n xa ca\u0301ch ba me\u0323.<\/p>\n\n\n\n
Tr\u01a1\u0309 tha\u0300nh ng\u01b0\u01a1\u0300i ba\u0323n \u0111\u00f4\u0300ng ha\u0300nh<\/p>\n\n\n\n
Lu\u00f4n \u0111\u00f4\u0300ng ha\u0300nh cu\u0300ng con<\/p>\n\n\n\n
Tr\u01a1\u0309 tha\u0300nh m\u00f4\u0323t ng\u01b0\u01a1\u0300i \u0111\u00f4\u0300ng ha\u0300nh cu\u0309a con la\u0300 \u0111i\u00ea\u0300u b\u00f4\u0301 me\u0323 na\u0300o cu\u0303ng mong mu\u00f4\u0301n. Va\u0300 con cu\u0303ng r\u00e2\u0301t vui khi co\u0301 nh\u01b0\u0303ng \u00f4ng b\u00f4\u0301, ba\u0300 me\u0323 th\u00e2\u0301u hi\u00ea\u0309u t\u00e2m ly\u0301 cu\u0309a mi\u0300nh. Khi la\u0300m ba\u0323n, chu\u0301ng ta se\u0303 d\u00ea\u0303 da\u0300ng chia se\u0309 ca\u0301c c\u00e2u chuy\u00ea\u0323n, ca\u0301c ca\u0309m xu\u0301c. B\u00f4\u0301 me\u0323 c\u00e2\u0300n pha\u0309i khe\u0301o le\u0301o \u0111\u00ea\u0309 v\u01b0\u0300a la\u0300m ba\u0323n v\u01b0\u0300a chi\u0309 ra cho con nh\u01b0\u0303ng \u0111i\u00ea\u0300u \u0111u\u0301ng sai, \u0111i\u00ea\u0300u con kh\u00f4ng n\u00ean.<\/p>\n\n\n\n
\u0110\u00ea\u0309 tr\u01a1\u0309 tha\u0300nh ng\u01b0\u01a1\u0300i ba\u0323n th\u01b0\u0323c s\u01b0\u0323 con ca\u0301i la\u0300 m\u00f4\u0323t ch\u0103\u0323ng \u0111\u01b0\u01a1\u0300ng da\u0300i. Kh\u00f4ng th\u00ea\u0309 nga\u0300y m\u00f4\u0323t nga\u0300y hai, e\u0301p con pha\u0309i coi mi\u0300nh la\u0300 ba\u0323n. No\u0301i chuy\u00ea\u0323n, chia se\u0309 v\u01a1\u0301i b\u00f4\u0301 me\u0323 nh\u01b0 v\u01a1\u0301i ba\u0323n cu\u0309a con. \u0110o\u0301 la\u0300 \u0111i\u00ea\u0300u r\u00e2\u0301t kho\u0301. B\u00f4\u0301 me\u0323 c\u00e2\u0300n x\u00e2y d\u01b0\u0323ng m\u00f4\u0301i quan h\u00ea\u0323 na\u0300y tr\u00ean c\u01a1 s\u01a1\u0309 m\u01b0a d\u00e2\u0300m th\u00e2\u0301m l\u00e2u. Ha\u0303y la\u0300m ng\u01b0\u01a1\u0300i ba\u0323n t\u00e2m giao cu\u0309a con ngay t\u01b0\u0300 khi con co\u0300n nho\u0309. N\u00ea\u0301u nh\u01b0 con \u0111a\u0303 l\u01a1\u0301n, b\u00f4\u0301 me\u0323 mu\u00f4\u0301n th\u00e2n thi\u00ea\u0301t h\u01a1n v\u01a1\u0301i con co\u0301 th\u00ea\u0309 thi\u00ea\u0301t k\u00ea\u0301 ca\u0301c bu\u00f4\u0309i no\u0301i chuy\u00ea\u0323n ri\u00eang nhe\u0323 nha\u0300ng k\u00ea\u0301t h\u01a1\u0323p v\u01a1\u0301i ca\u0301c hoa\u0323t \u0111\u00f4\u0323ng vui ch\u01a1i, gia\u0309i ri\u0301. Th\u00f4ng qua ca\u0301c bu\u00f4\u0309i \u0111o\u0301 b\u00f4\u0301 me\u0323 va\u0300 con ca\u0301i chia se\u0309 v\u01a1\u0301i nhau nhi\u00ea\u0300u h\u01a1n va\u0300 th\u00e2n thi\u00ea\u0301t h\u01a1n.<\/p>\n\n\n\n
L\u01a1\u0300i k\u00ea\u0301t<\/p>\n\n\n\n
Vietlearn hy vo\u0323ng v\u01a1\u0301i ba\u0300i vi\u00ea\u0301t tr\u00ean \u0111a\u0303 \u0111em \u0111\u00ea\u0301n nh\u01b0\u0303ng th\u00f4ng tin h\u01b0\u0303u i\u0301ch v\u00ea\u0300 ca\u0301ch la\u0300m tro\u0300n s\u00f4\u0301 cu\u0309a ch\u01b0\u01a1ng tri\u0300nh Toa\u0301n l\u01a1\u0301p 7 cu\u0300ng ca\u0301c ki\u00ea\u0301n th\u01b0\u0301c ch\u0103m so\u0301c con th\u00f4ng tha\u0301i cho ca\u0301c b\u00e2\u0323c phu\u0323 huynh va\u0300 ca\u0301c ba\u0323n ho\u0323c sinh. Ha\u0303y li\u00ean h\u00ea\u0323 ngay v\u01a1\u0301i Vietlearn n\u00ea\u0301u co\u0301 th\u0103\u0301c m\u0103\u0301c c\u00e2\u0300n gia\u0309i \u0111a\u0301p \u0111\u00ea\u0309 \u0111\u01b0\u01a1\u0323c t\u01b0 v\u00e2\u0301n mi\u00ea\u0303n phi\u0301 va\u0300 nhanh nh\u00e2\u0301t nhe\u0301. Li\u00ean h\u00ea\u0323 Website Vietlearn: https\/\/:toppy.vn<\/p>\n\n\n\n