Question

6+{6×[6+(a×6)]÷2}×4=366
Afla valoarea numărului a.

Answer 1

6+{6*[6+(6*a)]/2}*4=366

6+{6*[6(1+a)]/2}*4=366

6+[6*3(1+a)]*4=366

6+[18*(1+a)]*4=366

6+72(1+a)=366

72(1+a)=360

1+a=360/72

1+a=5

a=5-1=>a=4