125x48,201x45,67x101,25x32x125。全部用最简便方法计算
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发布时间:2024-10-17 23:10
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时间:2024-12-02 13:40
125x48
=125x(40+8)
=5000+1000
=6000
201x45
=(200+1)x45
=9000+45
=9045
67x101
=67x(100+1)
=670+67
=737
25x32x125
=(25x4) x(8x125)
=100x1000
=100000