十六之5乘以中括号小括号2/5+2/3小括号除以5/6中括号的计算过程是什么?
十六之5乘以中括号小括号2/5+2/3小括号除以5/6中括号的计算过程是什么?
5/16 ×[(2/5+2/3)÷5/6]
= 5/16 ×[16/15×6/5]
=5/16 ×16/15×6/5
=2/5
20分之九除以3/2×0点2+4/5小括号中括号
20分之九除以3/2×0点2+4/5小括号中括号
9/20÷[3/2×(0.2+4/5)]
=9/20÷(3/2×1)
=9/20÷3/2
=3/10
12.75除以中括号是4.6小括号1.3 8-2小括号中括号必须减肥
12.75/[4.6+(1.38-2)]
=12.75/(4.6-0.72)
=12.75/3.88
≈3.286
4.26×9/10+4.24除以中括号九分之十加括号1-0.1,括号中括号的计算过程是多少?
4.26×9/10+4.24除以中括号九分之十加括号1-0.1,括号中括号的计算过程是多少?
解:
4.26×9/10+4.24÷[九分之十+(1-0.1)]
=3.834+4.24÷(10/9+9/10)
=3.834+4.24÷181/90
≈ 3.834+2.108
=5.942
负3/2乘以中括号小括号负三分之二小括号完的平方
-3/2 * ((-2/3)^2 -2)
= -3/2 * (4/9-18/9)
=-3/2 * (-14/9)
=42/18
=7/3
960除以中括号小括号35+13括号除以四括号
原式可写:960÷【(35+13)÷4】
=960÷(48÷4)
=960÷12
=80
中括号小括号负三乘以小括号负五中括号的二次方
【(-3)×(-5)】²
=15²
=225
531除以中括号小括号11-8乘三脱式计算
531除以中括号小括号11-8乘三脱式计算
531÷【(11-8)*3】
=531÷(3*3)
=531÷9
=59
360除以中括号72除以小括号20 十16
360÷[72÷(20 十16)]
=360÷[72÷36]
=360÷2
=180
960除以中括号小括号36加16除以3
960÷[(36+16)/3]
=960x3 ÷ 52
= 55又5/13