a×b=35;(5×a)×(b:5)=?​

Răspuns :

Răspuns:

a/2=b/5=>5a=2b a+b=35 lx 5 5a+5b-175 2b

+5b=175=>b=175:7=>b=25 a+25=35=>a=35-25=>a=10