25.62-4分之3-(20分之13-0.75)【7分之4*(5分之3-0.25)+10分之3】÷2分之187*5分之2+12÷2分之5+40%3道简算
来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/03 05:05:24
25.62-4分之3-(20分之13-0.75)【7分之4*(5分之3-0.25)+10分之3】÷2分之187*5分之2+12÷2分之5+40%3道简算
25.62-4分之3-(20分之13-0.75)
【7分之4*(5分之3-0.25)+10分之3】÷2分之1
87*5分之2+12÷2分之5+40%
3道简算
25.62-4分之3-(20分之13-0.75)【7分之4*(5分之3-0.25)+10分之3】÷2分之187*5分之2+12÷2分之5+40%3道简算
25.62-4分之3-(20分之13-0.75)
=25.62-13/20-3/4+0.75
=24.97
【7分之4*(5分之3-0.25)+10分之3】÷2分之1
=(4/7*0.35+3/10)*2
=(2+0.3)*2
=4.6
87*5分之2+12÷2分之5+40%
=87*0.4+12*0.4+0.4
=0.4*(87+12+1)
=0.4*100
=40
25.62-4分之3-(20分之13-0.75)
=25.62-0.75-(0.65-0.75)
=25.62-0.75+0.1
=24.95
【7分之4*(5分之3-0.25)+10分之3】÷2分之1
=[4/7(0.6-0.25)+0.3]*2
=(4/7*0.35+0.3)*2
=(0.2+0.3)*2
=0.5*2
=...
全部展开
25.62-4分之3-(20分之13-0.75)
=25.62-0.75-(0.65-0.75)
=25.62-0.75+0.1
=24.95
【7分之4*(5分之3-0.25)+10分之3】÷2分之1
=[4/7(0.6-0.25)+0.3]*2
=(4/7*0.35+0.3)*2
=(0.2+0.3)*2
=0.5*2
=1
87*5分之2+12÷2分之5+40%
=87*2/5+12*2/5+2/5
=(87*2+12*2+2)/5
=200/5
=40
收起
25.62-3/4-(13/20-0.75)
=25.62-0.75-0.65+0.75
=25.62-0.65+0.75-0.75
=(25.62-0.65)+(0.75-0.75)
=24.97+0
=24.97
[4/7×(3/5-0.25)+3/10]÷1/2
=[4/7×(0.6-0.25)+0.6]×2
=(4/7×0.3...
全部展开
25.62-3/4-(13/20-0.75)
=25.62-0.75-0.65+0.75
=25.62-0.65+0.75-0.75
=(25.62-0.65)+(0.75-0.75)
=24.97+0
=24.97
[4/7×(3/5-0.25)+3/10]÷1/2
=[4/7×(0.6-0.25)+0.6]×2
=(4/7×0.35+0.6)×2
=(0.2+0.3)×2
=0.5×2
=1
87×2/5+12÷5/2+40%
=87×40%+12×40%+1×40%
=(87+12+1)×40%
=100×40%
=40
收起