已知X
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已知X已知X已知X1/x+1/y+1/z=41/4242的约数有1,2,3,6,7,14,21,28,42所以41/42=(6+7+28)/42=6/42+7/42+28/42=1/7+1/6+1/2
已知X
已知X
已知X
1/x+1/y+1/z=41/42
42的约数有1,2,3,6,7,14,21,28,42
所以41/42=(6+7+28)/42
=6/42+7/42+28/42
=1/7+1/6+1/2
所以x=2,y=6,z=7
或者41/42=(6+14+21)/42
=6/42+14/42+21/42
=1/7+1/3+1/2
所以x=2,y=3,z=7
所以x=2,y=6,z=7或x=2,y=3,z=7