101x15-101简便计算?

2024-11-24 02:36:05
推荐回答(3个)
回答1:

简便计算(括号部分为拆简方法):
101x15-101
=101x15-101x1
=101x(15-1)
=101x14
=(100+1)x14
=100x14+14
=1400+14
=1414

回答2:

用乘法分配律简算
原式=15×(101-1)
=15×100
=1500

回答3:

101x15-101
=101(15-1)
=101x14
=(100+1)x14
=100x14+14
=1400+14
=1414