Question

1. 18 ± …… = 18.
2.± 10 ÷ ………………… = ± 10.

Answer 1

Answer:

1. 0

2. 1

Step-by-step explanation:

1. 18+0=18 or, 18-0=18

2. +10÷1=+10 or, -10÷1=-10

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Answer 2

Answer:

18+10 is easy the answer to 18+10=28.

Step-by-step explanation:

First plus 8 and 0 then plus 1 and 1 then you get 28.