直接写出得数。×8＝÷＝×＝1÷25%＝÷4＝×＝÷＝2.4×＝

基础巩固换一批

×8＝	÷＝	×＝	1÷25%＝
$\text{[math]}$ ÷4＝	$\text{[math]}$ × $\text{[math]}$ ＝	$\text{[math]}$ ÷ $\text{[math]}$ ＝	2.4× $\text{[math]}$ ＝

$\frac{4}{5} \times \frac{5}{16} =$	$0.3 + \frac{1}{5} =$	$32 \times 12.5 % =$	3.14×9=
8.1÷0.3=	3.14×16=	$44 \div \frac{11}{10} =$	$0 . 1^{2} =$

28×301%≈	1- $\frac{5}{8}$ =	425﹣199＝	557÷69≈	5.2÷0.125÷8＝
$\frac{2}{7}$ ÷ $\frac{7}{2}$ =	$\frac{1}{2}$ + $\frac{1}{3}$ =	8.2﹣2＝	7- $\frac{2}{7}$ =	$\frac{3}{4}$ ×0+3=

3.5+4.5=	$\frac{1}{3} + \frac{1}{7}$ =	3.6÷40%=	4r²-2²=
2.01-0.1=	$\frac{7}{15} : \frac{21}{25}$ =	20×15%=	$\frac{7}{11} \times 5 \div \frac{7}{11} \times 5 =$

1. 直接写出得数。×8＝÷＝×＝1÷25%＝÷4＝×＝÷＝2.4×＝