口算 65× = ÷ =

1. 口算
65× $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ ×3= $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ =
$\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ÷4= $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = $\text{[math]}$ ﹣ $\text{[math]}$ =

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1. 口算 65× = ÷ = ×3= × = + = × = ÷4= ÷ = + = ﹣ =