Question

1) 7-4+2
2) 4-6
3) 18 - 46

Answer 1

1) 7-4+2 = 5

2) 4-6 = -2

3) 18-46 = -28

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Answer 2

Answer:

1) = 7_4+2 = 5

2) = 4_6= 2

3)= 18_46= _28