Question

+30 - 60 -12 +12 +7=
-15 -7 +23 +60 -80=
-15 -8 -4 -6 -9=
+16 +18 +6 -5 -12 -16=
(-16) . (-7) =
(-17) . (-5) =
(-85) : (+5) =
(120) : (+6)

Answer 1

Resposta:

+30 - 60 -12 +12 +7= -23

-15 -7 +23 +60 -80= -19

-15 -8 -4 -6 -9=

+16 +18 +6 -5 -12 -16= 7

(-16) . (-7) =112

(-17) . (-5) =85

(-85) : (+5) = -17

(120) : (+6)20