Hi. i need these exercises pls
(+2)+(+7)=..
(-3)+(-4)=..
(+7)+(-3)=..
(-2)+(+9)=....
![subject](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 14:00 takaralocklear
Hi. i need these exercises pls
(+2)+(+7)=..
(-3)+(-4)=..
(+7)+(-3)=..
(-2)+(+9)=..
(-3)+(+3)=..
![ansver](/tpl/images/cats/User.png)
Answers: 2
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