125乘9简便计算
第1个回答 2016-12-12
125×9
=125×(8+1)
=125×8+125
=1000+125
=1125本回答被提问者采纳
=125×(8+1)
=125×8+125
=1000+125
=1125本回答被提问者采纳
第2个回答 2016-12-12
125x9
=125x(8+1)
=125x8+125x1
=1000+1
=1001
=125x(8+1)
=125x8+125x1
=1000+1
=1001