∴
1 |
x |
1 |
y |
1 |
z |
∴
1 |
z |
5 |
18 |
1 |
3.6 |
當(dāng)z=3時
1 |
x |
1 |
y |
1 |
2 |
∴
1 |
y |
1 |
4 |
此時x=4,x=6,
當(dāng)z=2時
1 |
x |
1 |
y |
1 |
3 |
∴
1 |
3 |
1 |
y |
1 |
6 |
y=6,5,4,x=6,7.5,12,
∴當(dāng)x≥y≥z時.
故答案為:(6,6,2),( 12,4,2 ),(4,4,3 ),(6,3,3 )共四組解.
1 |
x |
1 |
y |
1 |
z |
7 |
8 |
1 |
x |
1 |
y |
1 |
z |
1 |
z |
5 |
18 |
1 |
3.6 |
1 |
x |
1 |
y |
1 |
2 |
1 |
y |
1 |
4 |
1 |
x |
1 |
y |
1 |
3 |
1 |
3 |
1 |
y |
1 |
6 |