5÷(4.75(循环节是5)-4.75)=0.5÷1/180=90
1个回答
N=0.5÷(4.75(循环节是5)-4.75)
=0.5÷(0.005(循环节是5)
=0.5÷1/180=90
相关问题
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脱式计算 (75+240)÷(20-5)42+6×12-4(75+360)÷(20-5)40×(330-180)÷252
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能简算的要简算 (1) -5÷7+ ×2= (2) ×0.25+ ÷4= (3)4.5÷[(0.5+0.75)×1.2]
4.05÷0.5+6.75的简便运算
(-1.5+2.75)÷(-0.25)=