Fill in the blank to create a true equation:
-27 + _ = 0
7 + _ = 0
-3 + _ =...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 22.01.2021 23:30, bokewen
Fill in the blank to create a true equation:
-27 + _ = 0
7 + _ = 0
-3 + _ = +1
-7 + _ = -1
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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