Răspuns :
2× ( 8:2+3×2) -16 =
2× ( 4+6)-16=
2× 10 -16 =
20-16=4
2× ( 8:2+3)×2-16=
2×(4+3)×2-16=
2×7×2-16=
14×2-16=
28-16=12
2× ( 4+6)-16=
2× 10 -16 =
20-16=4
2× ( 8:2+3)×2-16=
2×(4+3)×2-16=
2×7×2-16=
14×2-16=
28-16=12