25×7×64简便算法64×55×125

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/28 08:50:31
25×7×64简便算法64×55×12525×7×64简便算法64×55×12525×7×64简便算法64×55×12525X4X16X7=100X112=1120025X7X64=25X7X8X8=

25×7×64简便算法64×55×125
25×7×64简便算法
64×55×125

25×7×64简便算法64×55×125
25X4X16X7=100X112=11200

25X7X64=25X7X8X8=(25X8)X(7X8)=200X56=11200

25X4X16X7=100X112=11200

(25×4)×16×7
8×55×(8×125)