86乘147减87乘47的简便计算
86乘147减87乘47的简便计算
86乘147减87乘47
=86×147-(86+1)×47
=86×147-86×47-1×47
=86×(147-47)-47
=86×100-47
=8600-47
=8553
86乘147减87乘47的简便计算方法
86乘147减87乘47
=86x(147-47)
=8600
265乘147减265乘47,求简便计算。
265×147-265×47
=265×(147-47)
=265×100
=26500
86乘41减86简便计算
86乘41减86
=86×(41-1)
=86×40
=3440
87分之86乘86 简便计算 怎么算
87分之86×86
= 87分之86×(87-1)
=87分之86×87-87分之86×1
=86-87分之86
=85又87分之1
21乘39加87乘39减39乘9简便计算
21×39+87×39-39×9
=(21+87-9)×39
=99×39
=(100-1)×39
=3900-39
=3861
77乘4减47乘4简便计算
77x4-47x4
=4x(77-47)
=4x30
=120
祝天天向上。
86乘584减84乘586怎么简便计算
86x584-84x586
=(84+2)x584-84x(584+2)
=84x584+2x584-84x584-84x2
=2x584-84x2
=(584-84)x2
=500x2
=1000
47乘82减82乘6减82简便计算
47x82-82x6-82
=(47-6-1)x82
=40x82
=3280
很高兴为你解答,希望能帮到你!
86乘35加65乘65乘86的简便计算
86×35+65×86
=86×(35+65)
=86×100
=8600