趣英语 / subtraction造句

subtraction造句

I looked at what he'd given me and did a quick subtraction.
我看着他给我的东西，快速做了个减法。

The difference is found by subtraction.
用减法得出差额.

The plus sign is used in addition and the minus is used in subtraction.
加号用于加法;减号用于减法.

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