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24×1.2×25-598怎么简便计算?
人气:206 ℃ 时间:2020-02-04 06:01:24
解答
24×1.2×25-598
=4×6×1.2×25-600+2
=4×25×6×1.2-600+2
=720-600+2
=122
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