lập các cặp p/s bằng nhau từ các số : a) 2;3;-6;-4;-9 b)1;2;-4;-8;4. 12/10/2021 Bởi Amara lập các cặp p/s bằng nhau từ các số : a) 2;3;-6;-4;-9 b)1;2;-4;-8;4.
a) $\frac{2}{3}$=$\frac{-4}{-6}$=$\frac{-6}{-9}$ $\frac{3}{2}$=$\frac{-6}{-4}$=$\frac{-9}{-6}$ $\frac{2}{-4}$=$\frac{3}{-6}$ $\frac{-4}{2}$=$\frac{-6}{3}$ $\frac{2}{-6}$=$\frac{3}{-9}$ $\frac{-6}{2}$=$\frac{-9}{3}$ b) $\frac{1}{2}$=$\frac{-4}{-8}$=$\frac{2}{4}$ $\frac{2}{1}$=$\frac{-8}{-4}$=$\frac{4}{2}$ $\frac{1}{-4}$=$\frac{2}{-8}$ $\frac{-4}{1}$=$\frac{-8}{2}$ $\frac{2}{-4}$=$\frac{4}{-8}$ $\frac{-4}{2}$=$\frac{-8}{4}$ Bình luận
a) $\frac{2}{3}$=$\frac{-6}{-9}$ $\frac{3}{2}$=$\frac{-9}{-6}$ $\frac{2}{-4}$=$\frac{3}{-9}$ $\frac{-4}{2}$=$\frac{-9}{3}$ $\frac{2}{-6}$=$\frac{3}{-9}$ $\frac{*6}{2}$=$\frac{-9}{3}$ b) $\frac{1}{-4}$=$\frac{2}{-8}$ $\frac{-4}{1}$=$\frac{-8}{2}$ $\frac{1}{2}$=$\frac{-4}{-8}$=$\frac{2}{4}$ $\frac{2}{1}$=$\frac{-8}{-4}$=$\frac{4}{2}$ Bình luận
a)
$\frac{2}{3}$=$\frac{-4}{-6}$=$\frac{-6}{-9}$
$\frac{3}{2}$=$\frac{-6}{-4}$=$\frac{-9}{-6}$
$\frac{2}{-4}$=$\frac{3}{-6}$
$\frac{-4}{2}$=$\frac{-6}{3}$
$\frac{2}{-6}$=$\frac{3}{-9}$
$\frac{-6}{2}$=$\frac{-9}{3}$
b)
$\frac{1}{2}$=$\frac{-4}{-8}$=$\frac{2}{4}$
$\frac{2}{1}$=$\frac{-8}{-4}$=$\frac{4}{2}$
$\frac{1}{-4}$=$\frac{2}{-8}$
$\frac{-4}{1}$=$\frac{-8}{2}$
$\frac{2}{-4}$=$\frac{4}{-8}$
$\frac{-4}{2}$=$\frac{-8}{4}$
a)
$\frac{2}{3}$=$\frac{-6}{-9}$
$\frac{3}{2}$=$\frac{-9}{-6}$
$\frac{2}{-4}$=$\frac{3}{-9}$
$\frac{-4}{2}$=$\frac{-9}{3}$
$\frac{2}{-6}$=$\frac{3}{-9}$
$\frac{*6}{2}$=$\frac{-9}{3}$
b)
$\frac{1}{-4}$=$\frac{2}{-8}$
$\frac{-4}{1}$=$\frac{-8}{2}$
$\frac{1}{2}$=$\frac{-4}{-8}$=$\frac{2}{4}$
$\frac{2}{1}$=$\frac{-8}{-4}$=$\frac{4}{2}$