5
PETERSEAZA
Calculeaza
a) 7*8+6*7-37
9.5*6-25:5
b) 7* 6-12+7* 10 c) 400 + 5*8*72:9-48
15 - 15:3+2 x 5 x 5 300-64:8 +6*6 - 28
Brail de flori:​