Question

sa se afle numerele a,b,c stiind ca a x b =60,a xc =90, b+ c=10

Answer 1

a*b=60
a*c=90
a*b+a*c=90+60
a*(b+c)=150daca b+c=10→
a*10=150→a=150:10→a=15
a*b=60. 15*b=60→
b=60:15→ b=4
a*c=90. 15*c=90→
c=90:15→ c=6