Question

Aflati numerele naturale nenule a,b,c stiind ca:
a*b = 35
b*c = 63
a*c = 45

Answer 1

a*b=35⇒a=35/b
b*c=63⇒c=63/b
a*c=45
35/b*63/b=45
2205/b²=45
45b²=2205
b²=49⇒b=7
a*7=35⇒a=5
7*c=63⇒c=9

Answer 2

a*b=35=5*7 b*c=63=7*9 a*c=45=5*9 a=5; b=7; c=9