24*25 简算
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24*25 简算
24x25
=[6x4]x25
=6x[4x25]
=6x100
=600
25*4*6=600
24=4*6
4*6*25
=4*25*6
=100*6
=600
600
24*25 简算
24x25
=[6x4]x25
=6x[4x25]
=6x100
=600
25*4*6=600
24=4*6
4*6*25
=4*25*6
=100*6
=600
600