Răspuns:
(256+9+49)÷2×2=
314÷2×2=157×2=314
..................
( 16² + 3² + 7² ) : 2 × 2 =??
16²=16x16=256
3la2=9
7la2=49
256+3la2+7la2=314
314:2x2=314
R:314
