计算 ×10= ×= 2+= += ÷=7×= -=÷=0.7÷0.2=【参考答案】

试题详情

计算

$\text{[math]}$ ×10= $\text{[math]}$ × $\text{[math]}$ = 2+ $\text{[math]}$ =

$\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = 7× $\text{[math]}$ =

$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = 0.7÷0.2=

知识点

参考答案