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3MIDX4-X8 4MIDX4-X8 4MIDX4X5X6Z1Z2 4MIDX1X2X3X4X5
X1.X2.X5 X1.X3.X4 X1.X2.X4 X1.X3.X5
X1.X2.X5 X1.X3.X4 X1.X2.X4 X1.X3.X5
-1/3X4-1/3X5<=2/3 X4-X5<=-2 X4+X5+S=2 -1/3X4-1/3X5+S=-2/3
X1.X2.X5 X1.X3.X4 X1.X2.X4 X1.X3.X5
X1.X2.X5 X1.X3.X4 X1.X2.X4 X1.X3.X5
3MIDX4~X8 6MIDX4~X8 4MIDX4X5X6Z1Z2 4MCCX1X2X3X4X5
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=,a=1
int x[][3]=0; int x[2][3]=1, 2, 3, 4, 5, 6; int x[][3]=1, 2, 3, 4, 5, 6; int x[2][3]=1, 2, 3, 4, 5, 6;
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=4,a=1
3x﹣(2x﹣1)=3x﹣2x﹣1 ﹣4(x+1)+5=﹣4x+4+5 2x+7(x﹣1)=2x+7x﹣1 2﹣[3x﹣5(x+1)]=2﹣3x+5x+5
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=4,a=1
由4+x=8,得x=8+4 由6x+5=5x得6x-5x=5 由4x-2=3x+8得4x-3x=8+2 由-1+2x=3x得2x+1=3x
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=4,a=1
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=4,a=1
11 1 -3 1 11 -3 2 1 12 -3 2 1 11 1 2 1
x=4,y=4,a=1 x=5,y=5,a=1 x=5,y=4,a=3 x=5,y=4,a=1
**3 ##4 **5 ##3 **4 ##5 ##3 **4##5 **3##4 **5
-3<x<-2或4<x<5 -2<x<-1或5<x<6 -3<x<-2或5<x<6 -2<x<-1或4<x<5