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Mathematics, 31.03.2020 19:59 mccdp55

2 Which choices are equal to -9+7?
7+(-9)
-7-9
-9-(-7)
9-7
Solve it

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2 Which choices are equal to -9+7?
7+(-9)
-7-9
-9-(-7)
9-7
Solve it...

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