直接写得数．8×=2.8﹣= ×1=÷9= ×20= +=÷=+=×0.2=1÷= ÷9= ×= ÷=1﹣= 1【参考答案】

试题详情

直接写得数．

8× $\text{[math]}$ = 2.8﹣ $\text{[math]}$ = $\text{[math]}$ ×1= $\text{[math]}$ ÷9= $\text{[math]}$ ×20=

$\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ ×0.2= 1÷ $\text{[math]}$ =

$\text{[math]}$ ÷9= $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = 1﹣ $\text{[math]}$ = 150%﹣150%=

24÷ $\text{[math]}$ = $\text{[math]}$ ÷4= 0÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ×24× $\text{[math]}$ =

$\text{[math]}$ ×0= $\text{[math]}$ × $\text{[math]}$ = 6 $\text{[math]}$ = 3.6× $\text{[math]}$ = $\text{[math]}$ ×70=

$\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ ﹣0= 55%﹣ $\text{[math]}$ = 2.4÷0.4= 2÷0.5=

知识点

参考答案