1.25x3.2的简便方法 ·75x46-46x28用简便方法计算

·75x46-46x28用简便方法计算  

·75x46-46x28用简便方法计算

·75x46-46x28
=（75-28）x46
=2162
乘法分配律

用简便方法计算46x28+73x46-46

46x28+73x46-46
=46×（28+73-1）
=46×100
=4600

用简便方法计算28x46-46×8

用简便方法计算
28x46-46×8
=46×（28-8）
=46×20
=920

用简便方法计算46x46/17

=(51-5)*46/17
=3*46-5*46/17
=138-5*(51-5)/17
=138-15+25/17
=123+1+8/17
124又8/17

80x27十40x46用简便方法计算

80x27十40x46
=40x2x27十40x46
=40x（2x27+46）
=40x100
=4000

用简便方法计算333x46十666x27

333x46十666x27
=333x46十333x2x27
=333x（46+54）
=333x100
=33300

用简便方法计算简132x46-46x32

132x46-46x32
=(132-32)x46
=100x46
=4600

用简便方法计算109x46一9x46

109x46-9x46
=(109-9)x46
=100x46
=4600

用简便方法计算28x92十46x44二

28x92+46x44
=28x92+(46x2)x22
=28x92+92x22
=92x(28+22)
=92x50
=4600

用简便方法计算如713X46一613x46

713×46-613×46
=（713-613）×46
=100×46
=4600