1. 直接写得数。

0.58+0.41＝

$\text{[math]}$

$\text{[math]}$

$\text{[math]}$

12÷4 $\text{[math]}$

20÷20%＝

$\text{[math]}$

84 $\text{[math]}$

1 $\text{[math]}$

3.14×5²×4＝

基础巩固换一批

8.7﹣7=	$\frac{1}{8}$ ÷ $\frac{7}{4}$ =	4﹣ $\frac{3}{8}$ ﹣ $\frac{5}{8}$ =	7× $\frac{1}{7}$ ÷7× $\frac{1}{7}$ =
44÷ $\frac{11}{10}$ =	75÷10%=	0.9+99×0.9=	9³=

6.3÷0.1=	3÷ $\frac{4}{9}$ =	48×25%=	$\frac{26}{9} \times \frac{4}{39}$ =
3- $\frac{2}{5}$ =	$\frac{3}{4} \times \frac{4}{9}$ =	10.3-0.89=	$\frac{1}{3} \times \frac{3}{8} \div \frac{1}{3} \times \frac{3}{8}$ =

765-198=	0.16÷3.2=	$\frac{1}{5}$ - $\frac{1}{7}$ =	$\frac{5}{7}$ +2÷7=
1.4+8.56=	1÷10%=	0.125÷ $\frac{3}{2}$ =	1÷ $\frac{3}{4}$ × $\frac{4}{3}$ =

1. 直接写得数。 0.58+0.41＝ 12÷4 20÷20%＝ 84 1 3.14×52×4＝