Mathematics, 18.02.2021 14:00, takaralocklear

Hi. i need these exercises pls (+2)+(+7)=..
(-3)+(-4)=..
(+7)+(-3)=..
(-2)+(+9)=..
(-3)+(+3)=..

Answers: 2

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Hi. i need these exercises pls (+2)+(+7)=..
(-3)+(-4)=..
(+7)+(-3)=..
(-2)+(+9)=....