Question

calculează diferenta dintre a si b daca : a =[459-(206-19+38)]:b; b=[(20-5*3)*13-11]:6.

Answer 1

Bafta in continuare!!

Answer 2

$\displaystyle a=[459-(206-19+38)]:b \\ b=[(20-5 \cdot 3) \cdot 13-11]:6 \\ b=[(20-15) \cdot 13-11] :6 \\ b=(5 \cdot 13-11):6 \\ b=(65-11):6 \\ b=54:6 \\ b=9 \\ a=[459-(206-19+38)]:9 \\ a=[459-(187+38)]:9 \\ a=(459-225):9 \\ a=234:9 \\ a=26 \\ a=26,~b=9 \\ a-b=26-9=17$