乘法分配律五位数怎样好算/35*68+68+68*64

问题描述:

乘法分配律五位数怎样好算/35*68+68+68*64

=(35+1)×68+64×68
=(36+64)×68
=100×68
=6800

35*68+68+68*64
=(35+1+64)*68
=100*68
=6800

564135146513516

提取68.。。。
68×﹙35+1+64﹚=6800

35*68+68+68*64
=(35+1+64)*68
=100*68
=6800

68*(35+64+1)
=68*100
6800