Răspuns:
a)1200+250:50-850
1200+5-850
1205-850=355
95-450:90×2=
95-5×2
95-10=
85
8×15-640:20+12
120-32+12
88+12
100
b)230:10×2+675:15-45:9=
23×2+45-5
46+45-5
91-5
86
362-225×4:6×1+92:4
362-900:6+23
362-150+23
212+23
235
700:100×36-23×21:7-170
7×36-483:7-170
252-69-170
183-170
13
succes