设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y,后面怎么办!急
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设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y,后面怎么办!急设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y
设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y,后面怎么办!急
设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y,后面怎么办!急
设(1-1/2-1/3-1/4-1/5)为x,(1/2+1/3+1/4+1/5+1/6)为y,后面怎么办!急
1-(1/2+1/3+1/4+1/5+1/6)²-1+(1/2+1/3+1/4+1/5+1/6)²=0