880÷55
=80×11÷11÷5
=80÷5
=16非常谢谢你，你再帮我解一下2道，350÷14和720÷48，谢谢啊350÷14 =50×7÷7÷2 =25 720÷48 =30×24÷24÷2 =15这是最简便的吗？嗯
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