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识别出错
答案
1.$22$ $\frac{36}{49}$ $\frac{2}{3}$ $\frac{49}{50}$
$\frac{7}{15}$ $\frac{5}{6}$ $\frac{2}{3}$ $\frac{5}{6}$
$\frac{11}{18}$ $0.55$ $2$ $\frac{9}{14}$
$\frac{7}{15}$ $\frac{5}{6}$ $\frac{2}{3}$ $\frac{5}{6}$
$\frac{11}{18}$ $0.55$ $2$ $\frac{9}{14}$
识别出错
答案
2.$\frac{7}{5}$ $\frac{5}{6}$ $29$
$7.5$ $64$ $2$
$7.5$ $64$ $2$
识别出错
答案
3.(1)$240×(1+\frac{1}{3})=320$(面)
(2)$320×(1-\frac{1}{4})=240$(kg)
(2)$320×(1-\frac{1}{4})=240$(kg)
识别出错
答案
4.$\frac{7}{5}×(1-\frac{49}{50})=\frac{7}{250}$(m)
