Răspuns:
2×(3+5)=16
3+5=8
2×8=16
3×(4+3)=21
4+3=7
7×3=21
8×(5+5)=80
5+5=10
8×10=80
2×(3+5)
2× 8 =16
3×(4+3)
3×7 =21
8×(5+5)
8×10 = 80