
5.32÷0.5+5.32×12-53.2×0.4的简便运算?
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先理清思路,单纯的乘法是可以提取公因数的;而除法可以换算成乘以除数的倒数。解法如下:
5.32÷0.5+5.32×12-53.2×0.4
=5.32×(1/0.5)+5.32×12-5.32×10×0.4
=5.32×(1/0.5+12-10×0.4)
=5.32×(2+12-4)
=5.32×10
=53.2
5.32÷0.5+5.32×12-53.2×0.4
=5.32×(1/0.5)+5.32×12-5.32×10×0.4
=5.32×(1/0.5+12-10×0.4)
=5.32×(2+12-4)
=5.32×10
=53.2
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