(32*0.63*0.95)/(1.6*21*1.9)的简便运算,四年级奥数题,谢谢!
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发布时间:2024-03-24 04:42
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热心网友
时间:2024-03-28 13:41
=32/1.6*0.63/21*0.95/1.9
=20*0.03*0.5
=0.3
热心网友
时间:2024-03-28 13:41
(32×0.63×0.95)÷(1.6×2.1×1.9)
=32×0.63×0.95÷1.6÷2.1÷1.9
=(32÷1.6)×(0.63÷2.1)×(0.95÷1.9)
=20×0.3×0.5
=20×0.5×0.3
=3