Ex. 12
8+10=18
Ex.13
A)
2×1=2
2×2=4
2+4=6
B)
7×2=14
6+14=20
C)
4-4=0
D)
2×10=20
2×5=10
20-10=10
E)
8-6=2
F)
2×9=18
38-18=20
EX. 14
B)8
Ex. 15
9 pasare × 2 picioare =18
2 purcei × 2 picioare =4
Total =22
Ex 16
2×2+6×2+8×2=32
♡Succes
