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a) $\frac{a^2}{b^2}$ = $\frac{2.c^2-a.c}{2.d^2-b.d}$ b) $\frac{3.a+2.c}{3.b+2.d}$ = $\frac{-5.a+3.c}{5.b+3.d}$ c) $\frac{m.a+n.b}{m.a-n.b}$ = $\fra
Question
a) $\frac{a^2}{b^2}$ = $\frac{2.c^2-a.c}{2.d^2-b.d}$
b) $\frac{3.a+2.c}{3.b+2.d}$ = $\frac{-5.a+3.c}{5.b+3.d}$
c) $\frac{m.a+n.b}{m.a-n.b}$ = $\frac{m.c+n.d}{m.c-n.d}$
áp dụng tính chất của dãy tỉ số bằng nhau nha mn
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Môn Toán
1 year
2020-10-19T00:14:57+00:00
2020-10-19T00:14:57+00:00 0 Answers
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