2$\frac{1}{3}$ + 1$\frac{1}{6}$ 3$\frac{1}{2}$ – 1$\frac{3}{5}$ 2$\frac{1}{4}$ × 3$\frac{2}{5}$ 15/10/2021 Bởi Alaia 2$\frac{1}{3}$ + 1$\frac{1}{6}$ 3$\frac{1}{2}$ – 1$\frac{3}{5}$ 2$\frac{1}{4}$ × 3$\frac{2}{5}$
Đáp án-Giải thích các bước giải: `2 1/3 +1 1/6` `=7/3+7/6` `=(14+7)/6` `=21/6` `=7/2` ___________________ `3 1/2-1 3/5` `=7/2-8/5` `=(35-16)/(10)` `=19/10` ________________ `2 1/4 ×3 2/5` `=9/4×17/5` `=153/20` Bình luận
2$\frac{1}{3}$ + 1$\frac{1}{6}$ = $\frac{7}{3}$ + $\frac{7}{6}$ = $\frac{21}{6}$ = $\frac{7}{2}$ _____________________________________ 3$\frac{1}{2}$ – 1$\frac{3}{5}$ = $\frac{7}{2}$ – $\frac{8}{5}$ = $\frac{19}{10}$ _____________________________________ 2$\frac{1}{4}$ × 3$\frac{2}{5}$ = $\frac{9}{4}$ x $\frac{17}{5}$ = $\frac{153}{20}$ Cho mik xin câu tl hay nhất nha Bình luận
Đáp án-Giải thích các bước giải:
`2 1/3 +1 1/6`
`=7/3+7/6`
`=(14+7)/6`
`=21/6`
`=7/2`
___________________
`3 1/2-1 3/5`
`=7/2-8/5`
`=(35-16)/(10)`
`=19/10`
________________
`2 1/4 ×3 2/5`
`=9/4×17/5`
`=153/20`
2$\frac{1}{3}$ + 1$\frac{1}{6}$
= $\frac{7}{3}$ + $\frac{7}{6}$
= $\frac{21}{6}$
= $\frac{7}{2}$
_____________________________________
3$\frac{1}{2}$ – 1$\frac{3}{5}$
= $\frac{7}{2}$ – $\frac{8}{5}$
= $\frac{19}{10}$
_____________________________________
2$\frac{1}{4}$ × 3$\frac{2}{5}$
= $\frac{9}{4}$ x $\frac{17}{5}$
= $\frac{153}{20}$
Cho mik xin câu tl hay nhất nha