Question

(-12) +33-7-1
inteachrs​

Answer 1

Answer:

-12 + 33 - 7 - 1

-12 + 33 - 6

-12 + 27

15

Answer 2

Answer:

37

(_12)=12

+33_7_1=_8

so

12+33_8

45_8

37

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