x-5/15<x-2/5,1/2X-1<=3-3/2x
1个回答
x-51;
x>1/2;
4/2x
相关问题
1.3x+5/2=2x-1/3 2.x-3/-5=3x+4/15
(-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x
(1/2)2(x+0.5)-3(x-0.4)=5.6,3-2(2x+1)=2(x-3),15-(7-5x)=2x+(5-
解下列不等式 (1)x-5/2+1>x-3 (2)-x/5+x/15≤-1 (3)1/3-2<1-1/5x (4)x-(
5X-2(X-3)=15 X-3(2X+1)=6X-4(5-3X)
3(3x+5)=2(2x-1) -5(3x+4)=15(4x-3)
15=X/3+2 .(x+2)/3=(3-x)/2.(x-3)/4-(1+3x)/8.7-(X+5)/2=(2-X)/5
2又2/1X15/4-3/1X2/5+5/2X2/5=?
(1)(2x-1)2=9(2)x2-2x-4=0(3)(x-2)(x-5)=-2(4)x(x-3)=15-5x
3(5-4x)=9 5/8x-1/3x-1/2=2/3 2/5(1-0.375x)=4/15