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43X(50十40)的简便方法怎么算
43X(50十40)的简便方法怎么算
43x(50+40)
=43x(100-10)
=43x100-43x10
=4300-430
=3870
43x(200+5)简便方法
43x(200+5)
=43x200+43×5
=8600+215
=8815
简便算法43x(324-129)
简便算法
43x(324-129)
=43x195
=43x(200-5)
=43x200-43x5
=8600-215
=8385
43十(50十40)的简便方法
43十(50十40)
=43+90
=133
这个先计算括号里的,没有简便不简便的
(40十4)x50怎么用简便方法算
原式
=44x50
=22x(2x50)
=22x100
=2200
用简便方法计算45x172十43x28怎样算?
45x172十45x28
=45x(172+28)
=45x200
=9000
57x4十43x4简便方法
等于4乘(57+43)=4乘100=400
43X(80十37)一80X(43一37)简算
43X(80十37)一80X(43一37)
=43X80+43X37-80X43+80X37
=(43X80-43X80)+37X(43+80)
=37X123
=30X123+7X123
=3690+861
=4551
43x98-86简便方法
43x98-86简便方法
解:采用拆分法和分配律,
原式=43x(100-2)-86
=43x100-43x2-86
=4300-86-86
=4300-172
=4128
43x5x2简便方法怎么做
43*5*2
=43*10
=430
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