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X1 X2
(Xl,X2) (Xl,X2,X3,X4)
5x2y与 xy -5x2y与 yx2 5ax2与 yx2 83与x3
5x+3x=8 2x+3y=5xy 3ab﹣ab=2ab ﹣(a﹣b)=﹣a﹣b
x6÷x3=x2B (x-1)2=x2-1 x4+x4=x8 (x-1)2=x2-2x+1
X1 X2 (X1,X2) (X1,X2,X3,X4)
G(S)=G1(S)X1(S)+G2(S)X2(S)+G3(S)X3(S) G(S)=G1(S)X1(S)G2(S)X2(S)G3(S)X3(S) G(S)=G1(S)+G2(S)+G3(S) G(S)=G1(S)G2(S)G3(S)X3(S)
I(1)>I(2)=I(3)>I(4)=I(5) I(1)>I(2)<I(3)>I(4)=I(5) I(1)>I(2)>I(3)<I(4)=I(5) I(3)>I(2)<I(1)>I(4)=I(5)
X1 X2 (X1,X2) (X1,X2,X3,X4)
MyClass xl[2]; MyClass x2[2]={new MyClass(1),new MyClass(2)}; MyClass*x3[2]; MyClass*x4[2]={MyClass(1),MyClass(2)};
X1 X2 (X1,X2) (X1,X2,X3,X4)
x2·x3=x6 (x2)3=x8 x2+x3=x5 x6÷x3=x3
MyClass x1[2]; MyClass x2[2]={ new MyClass(1),new MyClass(2)}; MyClass*x3[2]; MyClass*x4[2]={ MyClass(1),MyClass(2)};
X1 X2 (Xl,X2) (Xl,X2,X3,X4)
(x3)2=x5 2a﹣5•a3=2a8 6x3÷(﹣3x2)=2x 3﹣2=