Question

a:b=3rest5 si a-b=2 si a:b=8 rest 3si a+b=9

Answer 1

Răspuns

a:b=3r5=>a=3b+5

a-b=2

3b+5-b=2

2b=2-5=>b=-3/2=>b=-1,5

a-(-1,5)=2=>a=2-1,5=>a=0,5

a:b=8r3=>a=8b+3

a+b=9

8b+3+b=9

9b=9-3

b=6/9=>b=0,(6)

a+2/3=9=>a=9-2/3=>a=27/3-2/3=>a=25/3=>a=8,(3)