要20道一元一次不等式计算题、最好带答案和过程、初一的、谢谢了
2个回答
展开全部
1
4x+3<3x
x<-3
2
4-x>4
x<0
3
2x-4>0
x>2
4
- x+2>5
-x<3
x<-3
5
10-3(x+6)<1
10-3x-18<1
-3x<9
x>3
6
1+x/3>5-(x-2)/2
6+2x>30-3x+6
5x>30
x>6
7
x(2x-3)<5(x-1)
4x-6<5x-5
x>-1
8
(y+1)/3-(y-1)/2>(y-1)/6
-2y>-6
y<3
9
2(x-1)<x+1
2x-x<1+2
x<3
10
[2(4x-3)]/3<[5(5x+12)]/6
16x-12<25x+60
9x>-72
x>-8
11
3[x-2(x-7)]<4x
-7x<-42
x>6
12
y-(3y-8)/3<[2(10-y)]/7+1
21y-21y+56<60-6y+21
6y<25
y<25/6
13
1/2(3y-1)-1/5y<y+1
3y<15
y<5
14
(3x+1)/3-(7x-3)5<2+[2(x-2)]/15
-8x<12
x>-3/2
15
x-1/2[x-1/2(x-1)]<2/3(x-1)
12x-6x+3x-6<8x-8
x<-5
16
(0.4x+0.9)/0.5-(0.03+0.02x)/0.03>(x-5)/2
24x+54-30-20x>15x-75
x<9
17
3-(x-1)/4>2+[3(x-1)]/8
-5x>1
x<-1/5
18
20x<15(x+6)
5x<90
x<18
19
6x-2(15-x)>60
8x>90
x>11.25
20
7x+4(10-x)<550
3x<15
x<5
注:/为分数线
绝对原创,打了半个小时呢,给个辛苦分吧
4x+3<3x
x<-3
2
4-x>4
x<0
3
2x-4>0
x>2
4
- x+2>5
-x<3
x<-3
5
10-3(x+6)<1
10-3x-18<1
-3x<9
x>3
6
1+x/3>5-(x-2)/2
6+2x>30-3x+6
5x>30
x>6
7
x(2x-3)<5(x-1)
4x-6<5x-5
x>-1
8
(y+1)/3-(y-1)/2>(y-1)/6
-2y>-6
y<3
9
2(x-1)<x+1
2x-x<1+2
x<3
10
[2(4x-3)]/3<[5(5x+12)]/6
16x-12<25x+60
9x>-72
x>-8
11
3[x-2(x-7)]<4x
-7x<-42
x>6
12
y-(3y-8)/3<[2(10-y)]/7+1
21y-21y+56<60-6y+21
6y<25
y<25/6
13
1/2(3y-1)-1/5y<y+1
3y<15
y<5
14
(3x+1)/3-(7x-3)5<2+[2(x-2)]/15
-8x<12
x>-3/2
15
x-1/2[x-1/2(x-1)]<2/3(x-1)
12x-6x+3x-6<8x-8
x<-5
16
(0.4x+0.9)/0.5-(0.03+0.02x)/0.03>(x-5)/2
24x+54-30-20x>15x-75
x<9
17
3-(x-1)/4>2+[3(x-1)]/8
-5x>1
x<-1/5
18
20x<15(x+6)
5x<90
x<18
19
6x-2(15-x)>60
8x>90
x>11.25
20
7x+4(10-x)<550
3x<15
x<5
注:/为分数线
绝对原创,打了半个小时呢,给个辛苦分吧
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询
广告 您可能关注的内容 |