Răspuns:
a) (49+1)×7 = 50×7 = 350
(10+28)×2 = 38×2 = 76
(36+18):6 = 54÷6 = 9
b) 196-3×44 = 196-132 = 64
72×59 = 4248
15+60:10 = 15+6 = 21
c) 1000-(35+120)+40 = 1000-155+40=845+40=895
999+(5×4)-501 = 999+20-501 = 1019-501 = 518
50+(40+8000)-50 = 50+8040-50 = 8040