Răspuns :
10.
56×3=168
65×4=260
3×76=228
8×38=304
48×4=192
84×2=168
5×84=420
7×63=441
54×3=162
95×3=285
6×49=294
4×75=300
74×3=222
68×5=340
9×46=414
2×98=196
12.
a)
16×6=96
29×6=174
45×6=270
82×6=492
36×6=216
b)
16+6=22
29+6=35
45+6=51
82+6=88
36+6=42
13.
16×3=48
23×3=69
57×3=171
21×3=63
48×3=144
15.
(28×2)+19=56+19=75 caiete a avut înainte în total