算一算 - = + = &n

1. (2021五下·镇巴期末) 算一算
$\text{[math]}$ - $\text{[math]}$ = $\text{[math]}$ + $\text{[math]}$ = 8× $\text{[math]}$ = $\text{[math]}$ × $\text{[math]}$ =

35× $\text{[math]}$ = $\text{[math]}$ ÷4= 10÷ $\text{[math]}$ = $\text{[math]}$ ÷ $\text{[math]}$ =