6道解方程 要过程 有悬赏1.1-0.7+3X/0.8=0.3X-1/0.4-X2.0.2X-0.1/0.3=0.1X+0.2/0.2+13.3/2X-1-6/10X+1=2X+1/4-14.4/3[3/4(1/5X-2)-6]=45.0.4X-1.5/0.5-5X-0.8/0.2=1.2-X/0.1+36.1/2[X-1/2(X-1)]=2/3(X-1)/是除号..

6道解方程 要过程 有悬赏1.1-0.7+3X/0.8=0.3X-1/0.4-X2.0.2X-0.1/0.3=0.1X+0.2/0.2+13.3/2X-1-6/10X+1=2X+1/4-14.4/3[3/4(1/5X-2)-6]=45.0.4X-1.5/0.5-5X-0.8/0.2=1.2-X/0.1+36.1/2[X-1/2(X-1)]=2/3(X-1)/是除号..
6道解方程 要过程 有悬赏
1.1-0.7+3X/0.8=0.3X-1/0.4-X
2.0.2X-0.1/0.3=0.1X+0.2/0.2+1
3.3/2X-1-6/10X+1=2X+1/4-1
4.4/3[3/4(1/5X-2)-6]=4
5.0.4X-1.5/0.5-5X-0.8/0.2=1.2-X/0.1+3
6.1/2[X-1/2(X-1)]=2/3(X-1)
/是除号..

6道解方程 要过程 有悬赏1.1-0.7+3X/0.8=0.3X-1/0.4-X2.0.2X-0.1/0.3=0.1X+0.2/0.2+13.3/2X-1-6/10X+1=2X+1/4-14.4/3[3/4(1/5X-2)-6]=45.0.4X-1.5/0.5-5X-0.8/0.2=1.2-X/0.1+36.1/2[X-1/2(X-1)]=2/3(X-1)/是除号..
1.0.3+3x/0.8=-0.7x-2.5
0.24+3x=-0.56x-2
3.56x=-2.24
x=56/89
2 0.2x-1/3=0.1x+1+1
0.2x-0.1x=2+1/3
x=70/3
3.3/2x-6/10x-2x=1/4-1+1
15x/10-6x/10-20x/10=1/4
-11x/10=1/4
x=-5/22
4.1/5x-2-6=4
1/5x=12
x=60
5.0.4x-5x+10x=1.2+3+4+3
5.4x=11.2 x=56/27
6.x-1/2x+1/2=4/3(x-1)
1/2x+1/2=4/3x-4/3
1/2x-4/3x=-1/2-4/3
x=13/5

提示一下，把分数化成整数，在慢慢解答吧。

小弟弟，做作业要自己做，不能这样哦

1、1-0.7+3x/0.8=0.3x-1/0.4-x
0.3+3x*5/4=0.3x-x-2.5
0.3+15x/4=-0.7x-2.5
15x/4+0.7x=-2.8
4.45x=-2.8
x=0.63
2、0.2x-0.1/0.3=0.1x+0.2/0.2+1
0.2x-1/3=0.1x+2
0.2x-0.1x=2+1/3
0.1x=7/3
x=70/3
x=23.3

1.1-0.7+3X/0.8=0.3X-1/0.4-X
0.3+3x/0.8=-0.7x-2.5
0.24+3x=-0.56x-2
3x+0.56x=-2-0.24
3.56x=-2.24
x=56/89
2.0.2X-0.1/0.3=0.1X+0.2/0.2+1
0....

全部展开

1.1-0.7+3X/0.8=0.3X-1/0.4-X
0.3+3x/0.8=-0.7x-2.5
0.24+3x=-0.56x-2
3x+0.56x=-2-0.24
3.56x=-2.24
x=56/89
2.0.2X-0.1/0.3=0.1X+0.2/0.2+1
0.2x-1/3=0.1x+1+1
0.2x-0.1x=2+1/3
0.1x=7/3
x=70/3

3.3/2X-1-6/10X+1=2X+1/4-1
3/2x-6/10x-2x=1/4-1+1
15x/10-6x/10-20x/10=1/4
-11x/10=1/4
x=-10/44
x=-5/22
4.4/3[3/4(1/5X-2)-6]=4
1/5x-2-6=4
1/5x=12
x=60
5.0.4X-1.5/0.5-5X-0.8/0.2=1.2-X/0.1+3
0.4x-5x+10x=1.2+3+4+3
5.4x=11.2
x=112/54
x=56/27
6.1/2[X-1/2(X-1)]=2/3(X-1)
x-1/2x+1/2=4/3(x-1)
1/2x+1/2=4/3x-4/3
1/2x-4/3x=-1/2-4/3
3x-8x=-3-8
-5x=-13
x=13/5

收起