Add without using number line: (a) 11 + (–7)(b) (–13) + (+18)(c) (–10) + (+19) yhx,kyhk,tktlyu8l;8ypy
Add without using number line:
(a) 11 + (–7)
(b) (–13) + (+18)
(c) (–10) + (+19)
yhx,kyhk,tktlyu8l;8ypy
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