Calculeaza, respectand regulile invatate.
a. 52 + (64-25:5) * 2
1. 309-3* (100 - 72:9)
c. 84-120: 190 * 2:10 - 6)
d. 99 + 3) * 21 0:7
. 104:2+ (6 - 36:6)*5
£.44*(4-44)- 36:9:2
8. (5.5*3)* 3 - (3 * 25-24):3
h. (25 + 25) 3-(25+253): 5
i. 400-2 10 + (650-310):3
1.8+3* (12:4+ 21:7-3)
1.10 - 10:(10 x 10 -10 9)
k. 127 + (36:9-1) 8:2
