Question

Efetue as operações:
+20-50-70+40-30+60+80-90=

-7 - 8 + 24 - 11 - 32- 5 - 39=

-15 + 21 + 25 - 6 - 8 - 12 - 38=

+ 18 - 43 + 78 - 123 + 18 + 56 + 21=

+1-2+3-4+5-6=

-25 + 61 - 59 + 88 - 39 + 26=

+41 + 45 + 76 - 7 - 63 - 80 + 69=

-22 - 12 - 37 - 37 - 13 + 87=


Respostas com cálculos!!!

Answer 1

X=X=X=X=X=X=X=X
20-50-70+40-30+60+80-90=  -40

-7-8+24-11-32-5-39= -78

-15+21+25-6-8-12-38= -33

18-43+78-123+18+56+21= 25

1-2+3-4+5-6= -3

-25+61-59+88-39+26= 52

41+45+76-7-63-80+69= 81

-22-12-37-37-13+87= -34