Question

help suma a 6 nr este 825 .ce suma voi obtine daca sacad din fiecare cate 8​

Answer 1

a+b+c+d+e+f=825

(a-8)+(b-8)+(c-8)+(d-8)+(e-8)+(f-8)=x

a+b+c+d+e+f+(-8)×6=x

a+b+c+d+e+f -48=x

825-48 = x

x= 777