如题所述
78*37-37*6
=37*(78-6)
=37*72
=2664
=37*(78-6)
=37*72
=2664
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第1个回答 2020-04-13
简便计算
78X37-37X6
=(78-6)x37
=72x37
=24x3x37
=24x111
=2664
78X37-37X6
=(78-6)x37
=72x37
=24x3x37
=24x111
=2664