Question

2 X ％等于40 解方程

2 X ％等于40
解方程

Answer 1

2x%=40
0.02x=40
2x=4000
x=2000

追问

13X＋ 30% X等于52

43X减5% X等于17.5

Answer 2

40除以2，再乘百分之百

追答

2000%

Answer 3

x=40÷2%
x=2000

追问

43X-5 X％等于17.5

13X+ 30% X等于52

追答

追问

500 X乘10－400等于20

追答

5000x=400+20
x=420÷5000
x=0.084

Answer 4

2 X ％=40
X×2％=40
X=40÷2％
X=2000

追问

13X＋ 30% X等于52

43X减5% X等于17.5

追答

13X＋ 30% X=52
13X＋0.3X=52
13.3X=52
X=52÷13.3
X=520/133
X≈4
43X-5% X=17.5

43X-0.05 X=17.5
42.95X=17.5
X=17.5÷42.95
X≈0.4

Answer 5

2×2000%=40

追问

13X＋ 30% X等于52

43X减5% X等于17.5