1. Calculați: a) 28+13.15; b) 158-9-16; e) 1473-1170:15; g) 88-35+14-127; c) 35-48-819; d) 169+168:14; f) 6696:31-178; h) 207-31+2128:14. 2. Calculaţi: a) 729:27: (145-952:7); c) 144-5-[37-9-(111-107)]:24; e) 145-25-(41-3-13)-(435-36-5):15. b) 1296: (45-64:16-120:6:4); d) [26+3 (600: 75+1)-2]:8;
