1.rut gọn các phân số : 12/30,20/45,28/70,34/51 10/11/2021 Bởi Autumn 1.rut gọn các phân số : 12/30,20/45,28/70,34/51
12/30=12:6/30:6=2/5 20/45=20:5/45:5=4/9 28/70=28:14/70:14=2/5 34/51=34:17/51:17=2/3 CHO CTLHN NHA Bình luận
$\frac{12}{30}$ = $\frac{12:6}{30:6}$ =$\frac{2}{5}$ $\frac{20}{45}$ = $\frac{20:5}{45:5}$ = $\frac{4}{9}$ $\frac{28}{70}$ = $\frac{28:14}{70:14}$ = $\frac{2}{5}$ $\frac{34}{51}$ = $\frac{34:17}{51:17}$ = $\frac{2}{3}$ Mk gửi nha, cho mk CÂU TRẢ LỜI HAY NHẤT NHÉ!! Bình luận
12/30=12:6/30:6=2/5
20/45=20:5/45:5=4/9
28/70=28:14/70:14=2/5
34/51=34:17/51:17=2/3
CHO CTLHN NHA
$\frac{12}{30}$ = $\frac{12:6}{30:6}$ =$\frac{2}{5}$
$\frac{20}{45}$ = $\frac{20:5}{45:5}$ = $\frac{4}{9}$
$\frac{28}{70}$ = $\frac{28:14}{70:14}$ = $\frac{2}{5}$
$\frac{34}{51}$ = $\frac{34:17}{51:17}$ = $\frac{2}{3}$
Mk gửi nha, cho mk CÂU TRẢ LỜI HAY NHẤT NHÉ!!