(75 30)÷(20-5)的简便计算?

如题所述

(75+30)÷(20-5)
=105÷15
=105÷5÷3
=21÷3
=7
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(75 30)÷(20-5)的简便计算?
(75+30)÷(20-5)=105÷15 =105÷5÷3 =21÷3 =7

(75十30)÷(2O一5)如何简便计算?
(75+30)÷(20-5)=105÷15 =105÷5÷3 =21÷3 =7

75+360÷(20-5)的简便运算如何计算?
75+360÷(20-5)简便计算吐下:=75+360÷(20-5)=75+360÷15 =75+360÷3÷5 =75+120÷5 =75+24 =99

(75+240)÷(20-5)的简便运算?
75+360÷(20-5)简便计算:=75+360÷(20-5)=75+360÷15 =75+360÷3÷5 =75+120÷5 =75+24 =99

75+360÷20-5 = =
75+360÷20-5 解:直接运算最简便,原式=75+18-5 =93-5 =88

(75+360)除(20-5) 能简便计算就简便计算
(75+360)÷(20-5)=75÷15+360÷15 =5+24 =29

【75+360】\/【20-5】如何用简便方法计算
(75+360)\/(20-5) =75\/20-5+360\/20-5 = 75\/15+ 360\/15 =5+24 =29

(750+45)÷(20一5)怎样简便,脱式计算?
795\/15=53

(75+24)÷(20-5)的简便计算
原式=99×1\/15 =99\/15 =33\/5 =6.6

括号75+240回括除20-5回括的简便计算
(75+240)÷(20-5)=75÷15+240÷15 =5+16 =21

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