Question

+4-5-6+7?
-9-7+5-3?
+50+30-60?
-33+5-75?
+70+150-300?
-33-130-35?
+50-7-3?
-300-500-25?
-509-300-33?
+600-700-900?

Answer 1

0

-14

20

103

-80

-198

40

-825

-842

-1000

Answer 2

Resposta:

+4-5-6+7=0

-9-7+5-3= -14

+50+30-60= 20

-33+5-75= -103

+70+150-300= -80

-33-130-35=  -198

+50-7-3= 40

-300-500-25= -825

-509-300-33= -842

+600-700-900= -1000

Explicação passo a passo: