如题所述
125×23+125×5用乘法分配律计算:
125×23+125×5
=125×(23+5)
=125×28
=125×(30-2)
=3750-250
=3500
125×23+125×5
=125×(23+5)
=125×28
=125×(30-2)
=3750-250
=3500
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第1个回答 2020-05-19
如果是125X23+125x5
=125X(23+5)
=125Ⅹ28
=125X4X7
=500X7
=3500
如果是125X23-125X5
=125X(23-5)
=125X18
=125Ⅹ2ⅹ9
=250X9
=2250
=125X(23+5)
=125Ⅹ28
=125X4X7
=500X7
=3500
如果是125X23-125X5
=125X(23-5)
=125X18
=125Ⅹ2ⅹ9
=250X9
=2250
第2个回答 2020-05-19
125×23+125×5
=125×(23+5)
=125×28
=3500
以上为简便方法
=125×(23+5)
=125×28
=3500
以上为简便方法