直接写得数。 + = 9× =

1. (2020六上·法库开学考) 直接写得数。
$\text{[math]}$ + $\text{[math]}$ = 9× $\text{[math]}$ = $\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ =

2- $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ×0= $\text{[math]}$ ÷ $\text{[math]}$ =

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1. (2020六上·法库开学考) 直接写得数。 + = 9× = - = ÷ = × = 2- = ÷ = × = ×0= ÷ =