跪求50道解不等式组计算题!!!就是初一的。。。谢谢了!
3个回答
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1.-1<x<1 且 x>0
2.-1<x<1 且1 x>0
3.-1<x<1 且 2x>0
4.-1<x<1 且 3x>0
5.-1<x<1 且 4x>0
6.-1<x<1 且 5x>0
7.-1<x<1 且 6x>0
8.-1<x<1 且 7x>0
9.-1<x<1 且 8x>0
10.-1<x<1 且 9x>0
11.-1<x<1 且 10x>0
12.-1<x<1 且 11x>0
13.-1<x<1 且 12x>0
14.-1<x<1 且 13x>0
15.-1<x<1 且 14x>0
16.-1<x<1 且 15x>0
17.-1<x<1 且 16x>0
18.-1<x<1 且 17x>0
19.-1<x<1 且 18x>0
20.-1<x<1 且 19x>0
21.-1<x<1 且 20x>0
22.-1<x<1 且 21x>0
23.-1<x<1 且 22x>0
24.-1<x<1 且 23x>0
25.-1<x<1 且 24x>0
26.-1<x<1 且 25x>0
27.-1<x<1 且 26x>0
28.-1<x<1 且 27x>0
29.-1<x<1 且 28x>0
30.-1<x<1 且 29x>0
31.-1<x<1 且 30x>0
32.-1<x<1 且 31x>0
33.-1<x<1 且 32x>0
34.-1<x<1 且 33x>0
35.-1<x<1 且 34x>0
36.-1<x<1 且 35x>0
37.-1<x<1 且 36x>0
38.-1<x<1 且 37x>0
39.-1<x<1 且 38x>0
40.-1<x<1 且 39x>0
41.-1<x<1 且 40x>0
42.-1<x<1 且 41x>0
43.-1<x<1 且 42x>0
44.-1<x<1 且 43x>0
45.-1<x<1 且 44x>0
46.-1<x<1 且 45x>0
47.-1<x<1 且 46x>0
48.-1<x<1 且 47x>0
49.-1<x<1 且 48x>0
50.-1<x<1 且 49x>0
2.-1<x<1 且1 x>0
3.-1<x<1 且 2x>0
4.-1<x<1 且 3x>0
5.-1<x<1 且 4x>0
6.-1<x<1 且 5x>0
7.-1<x<1 且 6x>0
8.-1<x<1 且 7x>0
9.-1<x<1 且 8x>0
10.-1<x<1 且 9x>0
11.-1<x<1 且 10x>0
12.-1<x<1 且 11x>0
13.-1<x<1 且 12x>0
14.-1<x<1 且 13x>0
15.-1<x<1 且 14x>0
16.-1<x<1 且 15x>0
17.-1<x<1 且 16x>0
18.-1<x<1 且 17x>0
19.-1<x<1 且 18x>0
20.-1<x<1 且 19x>0
21.-1<x<1 且 20x>0
22.-1<x<1 且 21x>0
23.-1<x<1 且 22x>0
24.-1<x<1 且 23x>0
25.-1<x<1 且 24x>0
26.-1<x<1 且 25x>0
27.-1<x<1 且 26x>0
28.-1<x<1 且 27x>0
29.-1<x<1 且 28x>0
30.-1<x<1 且 29x>0
31.-1<x<1 且 30x>0
32.-1<x<1 且 31x>0
33.-1<x<1 且 32x>0
34.-1<x<1 且 33x>0
35.-1<x<1 且 34x>0
36.-1<x<1 且 35x>0
37.-1<x<1 且 36x>0
38.-1<x<1 且 37x>0
39.-1<x<1 且 38x>0
40.-1<x<1 且 39x>0
41.-1<x<1 且 40x>0
42.-1<x<1 且 41x>0
43.-1<x<1 且 42x>0
44.-1<x<1 且 43x>0
45.-1<x<1 且 44x>0
46.-1<x<1 且 45x>0
47.-1<x<1 且 46x>0
48.-1<x<1 且 47x>0
49.-1<x<1 且 48x>0
50.-1<x<1 且 49x>0
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4.2x-3>0 5.2-5x<=3(1-x)
4-3x<0 (x+2)/3>2x-1
2x-5<=4x+7
、2X+3>0
-3X+5>0
2、2X<-1
X+2>0
3、5X+6<3X
8-7X>4-5X
4、2(1+X)>3(X-7)
4(2X-3)>5(X+2)
5、2X<4
X+3>0
6、1-X>0
X+2<0
7、5+2X>3
X+2<8
8、2X+4<0
1/2(X+8)-2>0
9、5X-2≥3(X+1)
1/2X+1>3/2X-3
10、1+1/2X>2
2(X-3)≤4
1. 3x(x+5)>3x2+7
x-4 < 2x+1
2. 3x+14 > 4(2x-9)
3x-7≥4x-4
3. 2x-3x-3<6
0.4(x-1)≥0.3-0.9x
4. x-4 < 2x+1
2x-6 < x-2
5. 3×10x<500
7(X+3)>98
6. 2x-3x+3<6
2x-3x+1<6
7. 2x-3x+3<1
2x-19<7x+31
8. 3x-2(9-x)>3(7+2x)-(11-6x)
2(3x-1)-3(4x+5)≤x-4(x-7)
9. 2(x-1)-x>3(x-1)-3x-5
15-(7+5x)≤2x+(5-3x)
4-3x<0 (x+2)/3>2x-1
2x-5<=4x+7
、2X+3>0
-3X+5>0
2、2X<-1
X+2>0
3、5X+6<3X
8-7X>4-5X
4、2(1+X)>3(X-7)
4(2X-3)>5(X+2)
5、2X<4
X+3>0
6、1-X>0
X+2<0
7、5+2X>3
X+2<8
8、2X+4<0
1/2(X+8)-2>0
9、5X-2≥3(X+1)
1/2X+1>3/2X-3
10、1+1/2X>2
2(X-3)≤4
1. 3x(x+5)>3x2+7
x-4 < 2x+1
2. 3x+14 > 4(2x-9)
3x-7≥4x-4
3. 2x-3x-3<6
0.4(x-1)≥0.3-0.9x
4. x-4 < 2x+1
2x-6 < x-2
5. 3×10x<500
7(X+3)>98
6. 2x-3x+3<6
2x-3x+1<6
7. 2x-3x+3<1
2x-19<7x+31
8. 3x-2(9-x)>3(7+2x)-(11-6x)
2(3x-1)-3(4x+5)≤x-4(x-7)
9. 2(x-1)-x>3(x-1)-3x-5
15-(7+5x)≤2x+(5-3x)
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