如题所述
原式
=125x32
=125x(8x4)
=125x8x4
=1000x4
=4000
=125x32
=125x(8x4)
=125x8x4
=1000x4
=4000
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第1个回答 2020-04-16
125×32
=125×8×4
=1000×4
=4000
=125×8×4
=1000×4
=4000