按要求填空:(1)写出不等式x<4的所有正整数解: .(2)写出不等式x≥﹣3的所有负整数解: .(3)写出不等式x≤3的所有非负整数解: .(4)写出不等式x>﹣2的最小整数解: .
= ÷ = (填小数)
12÷ =0.75== :36= %
÷ =0.125=2÷ == %
: == ÷20= 折.
:20==0.8=24÷ =80%= 成= 折.