用你喜欢的方法计算112÷(2×8).63o÷21、540÷(6×9)

2025-02-24 12:59:32
推荐回答(1个)
回答1:

112÷(2×8)
=112÷2÷8
=56÷8
=7
630÷21
=630÷7÷3
=90÷3
=30
540÷(6×9)
=540÷54
=10