2/7+1/2÷4/5+3/8 4-(5/4-2/3*5/14) 1/2÷5/8*3/5+1/25 15/16÷(5/1
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/12 14:49:22
2/7+1/2÷4/5+3/8 4-(5/4-2/3*5/14) 1/2÷5/8*3/5+1/25 15/16÷(5/12÷5/8+3/8)
8/3÷(4/5-8/15) 5/9*4/15-5/9*1/15 (5/7-1/2)*7/3-1/2 3.28*3/4+1/72*3/4
解方程
x-1/8=3/4÷3/8 2x-1/2=6/5 4又1/5+3x=8又1/2
8/3÷(4/5-8/15) 5/9*4/15-5/9*1/15 (5/7-1/2)*7/3-1/2 3.28*3/4+1/72*3/4
解方程
x-1/8=3/4÷3/8 2x-1/2=6/5 4又1/5+3x=8又1/2
![2/7+1/2÷4/5+3/8 4-(5/4-2/3*5/14) 1/2÷5/8*3/5+1/25 15/16÷(5/1](/uploads/image/z/4596510-30-0.jpg?t=2%2F7%2B1%2F2%C3%B74%2F5%2B3%2F8+4-%EF%BC%885%2F4-2%2F3%2A5%2F14%EF%BC%89+1%2F2%C3%B75%2F8%2A3%2F5%2B1%2F25+15%2F16%C3%B7%EF%BC%885%2F1)
简便计算和解方程,
2/7+1/2÷4/5+3/8
=2/7+(5/8+3/8)
=2/7+1
=1又2/7
4-(5/4-2/3*5/14)
=4-(5/4-5/21)
=4-1又1/84
=2又83/84
1/2÷5/8*3/5+1/25
=4/5*3/5+1/25
=12/25+1/25
=13/25
15/16÷(5/12÷5/8+3/8)
=15/16÷(2/3+3/8)
=15/16÷25/24
=9/10
8/3÷(4/5-8/15)
=8/3÷4/15
=10
5/9*4/15-5/9*1/15
=5/9*(4/15+1/15)
=5/9*1/3
=5/27
(5/7-1/2)*7/3-1/2
=3/14*7/3-1/2
=1/2-1/2
=0
3.28*3/4+1.72*3/4
=(3.28+1.72)*3/4
=5*3/4
=15/4
=3.75
解方程x-1/8=3/4÷3/8
x-1/8=2
x=2又1/8
2x-1/2=6/5
2x=6/5-1/2
2x=7/10
x=7/20
4又1/5+3x=8又1/2
3x=4.3
x=43/30
2/7+1/2÷4/5+3/8
=2/7+(5/8+3/8)
=2/7+1
=1又2/7
4-(5/4-2/3*5/14)
=4-(5/4-5/21)
=4-1又1/84
=2又83/84
1/2÷5/8*3/5+1/25
=4/5*3/5+1/25
=12/25+1/25
=13/25
15/16÷(5/12÷5/8+3/8)
=15/16÷(2/3+3/8)
=15/16÷25/24
=9/10
8/3÷(4/5-8/15)
=8/3÷4/15
=10
5/9*4/15-5/9*1/15
=5/9*(4/15+1/15)
=5/9*1/3
=5/27
(5/7-1/2)*7/3-1/2
=3/14*7/3-1/2
=1/2-1/2
=0
3.28*3/4+1.72*3/4
=(3.28+1.72)*3/4
=5*3/4
=15/4
=3.75
解方程x-1/8=3/4÷3/8
x-1/8=2
x=2又1/8
2x-1/2=6/5
2x=6/5-1/2
2x=7/10
x=7/20
4又1/5+3x=8又1/2
3x=4.3
x=43/30
能简算要简算3/5÷1/4÷6÷14/1523/25÷(3/4÷2/5)15/16÷(5/12÷5/8+3/8)
2/7+1/2÷4/5+3/8 4-(5/4-2/3*5/14) 1/2÷5/8*3/5+1/25 15/16÷(5/1
1/3×5/16×3/5、 1/2×[(1/18-1/54)÷1/54、 2/3÷4/15÷25、 4/5×[(2/3+
14×8分之7÷15分之14 15分之8÷4×8分之5 9分之2÷7分子2÷3分之14 16÷4分之1÷2分之1 求式子
(2/3-4/9×3/8)÷7/16 9/14×49-9/14÷1/49 (3/4+1/2)÷5/8 2/13+3/4÷
【简算】 (3/4-2/3)÷1/5 4/5×7/8+7/8÷5 (1-8/15×3/4)÷3/5 (3/8+2/17)
三、分数除法一、计算题要仔细.8/9÷4= 1÷2/3 = 3/5÷3= 14÷ 7/15= 2/5÷0.4=5/7÷1
4^2÷(-1/4)-5^4÷(-5)^3,
简算5/6×8+2/5÷4 简算15/16+(7/16-1/4)÷1/2
我会计算.(能简算要简算) 8/25*516*2/7 ● 1/7+5/14*2/13 ● 3/4*14/15-3/4÷1
【1-(1\4+3\8)】÷1\4简算 4\5÷[(1\3+2\5)*4\11]简算
7又4/5÷【2又2/3×(1又5/8+2*X)-1又1/10】-2/15÷2/3=1.8