Problemas de operaciones mixtas de suma y resta de escuela primaria

79+11+4 22-18-10 45+24+11

21 +56-15 23+62-38 91-45+12 89+11-45

48-45+21 36+24-30 35-15-20

67- 34-22 230-45 36-32+18 21-15+40

23-13+88 4+7+89 86+9-36

26-17 +64 98+1-90 69+23-49 25+63-75

58-41+23 89+9-40 33+35+37 55+35-25

36-25+19 1360 24-23+49 15+57+21

178-31

89-56-23 14-12-2 12+13+25 45+25-39

30-25-2 97-89-36

56+32-36 39+35-40 32-23+56

17+48-37 26+23+11 12+15+19

69-32-17