题目

求50道计算题,50道一元一次方程（七年级的)

提问时间：2020-08-26

答案

1、7(2x-1)-3(4x-1)=4(3x+2)-1;
2、(5y+1)+ (1-y)= (9y+1)+ (1-3y);
3、20%+(1-20%)(320-x)=320×40%
4、2(x-2)+2=x+1
5、2(x-2)-3(4x-1)=9(1-x)
6、x/3 -5 = (5-x)/2
7、2(x+1) /3=5(x+1) /6 -1
8、(1/5)x +1 =(2x+1)/4
9、(5-2)/2 - (4+x)/3 =1
10、x/3 -1 = (1-x)/2
11、(x-2)/2 - (3x-2)/4 =-1
12、11x+64-2x=100-9x
13、15-(8-5x)=7x+(4-3x)
14、3(x-7)-2[9-4(2-x)]=22
15、3/2[2/3(1/4x-1)-2]-x=2
16、2(x-2)-3(4x-1)=9(1-x)
17、11x+64-2x=100-9x
18、15-(8-5x)=7x+(4-3x)
19、3(x-7)-2[9-4(2-x)]=22
20、3/2[2/3(1/4x-1)-2]-x=2
21、2(x-2)+2=x+1
1.7(2x-1)-3(4x-1)=4(3x+2)-1
2.(5y+1)+ (1-y)= (9y+1)+ (1-3y)
3.[ (- 2)-4 ]=x+2
4.20%+(1-20%)(320-x)=320×40%
5.2(x-2)+2=x+1
6.2(x-2)-3(4x-1)=9(1-x)
7.11x+64-2x=100-9x
8.15-(8-5x)=7x+(4-3x)
9.3(x-7)-2[9-4(2-x)]=22
10.3/2[2/3(1/4x-1)-2]-x=2
11.5x+1-2x=3x-2
12.3y-4=2y+1
13.87X*13=5
14.7Z/93=41
15.15X+863-65X=54
16.58Y*55=27489
17.2（x+2）+4=9
18.2(x+4)=10
19.3(x-5)=18
20.4x+8=2(x-1)
21.3(x+3)=9+x
22.6(x/2+1)=12
23.9(x+6)=63
24.2+x=2(x-1/2)
25.8x+3(1-x)=-2
26.7+x-2(x-1)=1
27.x/3 -5 = (5-x)/2
28.2(x+1) /3=5(x+1) /6 -1
29.(1/5)x +1 =(2x+1)/4
30.(5-2)/2 - (4+x)/3 =1
1.2(x-2)-3(4x-1)=9(1-x)
2.11x+64-2x=100-9x
3.15-(8-5x)=7x+(4-3x)
4.3(x-7)-2[9-4(2-x)]=22
5.3/2[2/3(1/4x-1)-2]-x=2
6.2(x-2)+2=x+1
7.0.4(x-0.2)+1.5=0.7x-0.38
8.30x-10(10-x)=100
9.4(x+2)=5(x-2)
10.120-4(x+5)=25
11.15x+863-65x=54
12.12.3(x-2)+1=x-(2x-1)
13.11x+64-2x=100-9x
14.14.59+x-25.31=0
15.x-48.32+78.51=80
16.820-16x=45.5×8
17.(x-6)×7=2x
18.3x+x=18
19.0.8+3.2=7.2
20.12.5-3x=6.5
21.1.2(x-0.64)=0.54
22.x+12.5=3.5x
23.8x-22.8=1.2
24.1/50x+10=60
25.2/ 60x-30=20
26.3/ 3^20x+50=110
27.4/ 2x=5x-3
28.5/ 90=10+x
29.6/ 90+20x=30