用简便计算做4253减599

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用简便计算做4253减599用简便计算做4253减599用简便计算做4253减5994253-599=4253-(600-1)=4253-600+1=3653+1=36544253减599=4253-

用简便计算做4253减599
用简便计算做4253减599

用简便计算做4253减599
4253-599
=4253-(600-1)
=4253-600+1
=3653+1
=3654

4253减599
=4253-600+1
=3653+1
=3654

4253-599
=4253-600+1
=3653+1
=3654

599就是600 4253是4250