简便计算:418×201= 25×64×125
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/04/20 08:05:57
简便计算:418×201= 25×64×125
418×201
=418x(200+1)
=418x200+418
=83600+418
=84018
25×64×125
=25x4x4x8x125
=4x(25x4)x(125x8)
=4x100x1000
=400000
=418x(200+1)
=418x200+418
=83600+418
=84018
25×64×125
=25x4x4x8x125
=4x(25x4)x(125x8)
=4x100x1000
=400000