Răspuns:
A) {x, y, z} dp {5,3,6}
X=5k
Y=3k
Z=6k
5k+3k+6k=42
14k=42
K=42:14
K=3
X=5×3=15
Y=3×3=9
Z=6×3=18
B) {x, y, z} dp {3,4,7}
X=3k
Y=4k
Z=7k
7k+3k+40
10k=40
K=40:10
K=4
X=3×4=12
Y=4×4=16
Z=7×4=28
C) {x, y, z} dp {2,3,6}
X=2k
Y=3k
Z=6k
6k-2k=24
4k=24
K=24:4
K=6
X=2×6=12
Y=3×6=18
Z=6×6=36
D) {x, y, z} dp {4,2,5}
X=4k
Y=2k
Z=5k
4k×2k×5k=320
40k^3=320
K^3=320:40
K^3=8
K=2
X=2×4=8
Y=2×2=4
Z=5×2=10