1) 9 x 7 + 102 = 63 + 102 = 165
2) 56 : 7 + (56 + 7) = 8 + 63 = 71
3) 6 x 7 = 42 (pagini o saptamana)
54 : 6 = 9 (in 9 zile)
4)215 + 27 = 242 (paini a doua zi)
215 + 242 = 457 (paini total)
5)20 : 8 = 2 (pachete biscuiti)
8 x 2 = 16
20 - 16 = 4 (lei ramasi)