125×48+125×33-125
=125x(48+33-1)
=125x80
=10000
112×97+336
=112x97+112x3
=112x(97+3)
=112x100
=11200
85×201-85
=85x(201-1)
=85x200
=17000
125×48+125×33-125 112×97+3336 85×201-85 用簡便方法計算.
125×48+125×33-125 112×97+3336 85×201-85 用簡便方法計算.
數(shù)學(xué)人氣:688 ℃時間:2020-06-07 18:04:05
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