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a乘以括号b除以d等于多少 括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号

火烧 2021-07-20 18:04:19 1137
括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号 括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号(6.6×7.5×4.8)÷(2.4×3.3×2.5)

括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号  

括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号

(6.6×7.5×4.8)÷(2.4×3.3×2.5)
=(6.6÷3.3)×(7.5÷2.5)×(4.8÷2.4)
=2×3×2
=12

一除以2×3除以括号二除以六括号乘以括号五除以三除以二括号乘以七除以一点四

4/5+三分之二除以六括号乘以七分之五简便计算怎么写(4/5+2/3÷6)×5/7=(4/5+1

3.91除以括号22-19点七括号乘以二点五

3.91÷(22-19.7)x2.5
=3.91x2.5÷2.3
=2.3x1.7x2.5÷2.3
=1.7x2.5
=1x2.5+0.7x2.5
=2.5+1.75
=4.25

括号三点七乘以40%加六点三乘以40%括号除以三等于多少

(3.7×40%+6.3×40%)÷3
=(3.7+6.3)×40%÷3
=4÷3
=4/3

119除以括号42点五乘以一点六除以三点四反括号

119÷(42.5×1.6÷3.4)
=119÷(68÷3.4)
=119÷20
=5.95

括号二点5+2点5+2点5+2点五括号乘以乘以25×8

(2.5+2.5+2.5+2.5)×25×8
=2.5×4×25×8
=10×200
=2000

括号负0.25乘以括号负六点一括号乘以四千

(-0.25)X(-6.1)X4000
=(1/4)X6.1X4000
=6.1X1000
=6100

零点四乘括号二点五乘六点五点三点五乘二点五括号等于递等式计算巧算

零点四乘括号二点五乘六点五点三点五乘二点五括号等于递等式计算巧算
零点四乘括号二点五乘六点五点三点五乘二点五括号
=0.4*(2.5*6.5+3.5*2.5)
=0.4*2.5*(6.5+3.5)
=1*10
=10

嗯1.25乘以四点二除以括号零点七除以八括号

1.25×4.2÷(0.7÷8)
=1.25×4.2÷0.7×8
=1.25×8×(4.2÷0.7)
=10×6
=60

二点五乘以小括号三点五减1.65小括号乘零点四怎么简便计算

二点五乘以小括号三点五减1.65小括号乘零点四怎么简便计算
2.5×(3.5-1.65)×0.4
=(2.5×0.4)×1.85
=1×1.85
=1.85

a乘以括号b除以d等于多少 括号六点六乘以七点五乘以四点八括号除以括号二点四乘以三点三乘以二点五括号
  
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