直接写得数. × = ÷ = × = ÷

1. (2020六上·宿迁期中) 直接写得数.
$\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ =

12÷ $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ = 1.8× $\text{[math]}$ = 63÷ $\text{[math]}$ =