Question

(+22)+(+50) calcule

(+28)-(+17) calcule

(+30)-(-13) calcule

Answer 1

+22+50= +72

+28-17= +11

+30+13= 43

Answer 2

$a)( + 22) + ( + 50) \\ 22 + 50 \\ \large \boxed{ \red{ 72}}$

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$b)( + 28) - ( + 17) \\ 28 - 17 \\ \large \boxed{ \red{ 11}}$

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$c)( + 30) - ( - 13) \\ 30 + 13 \\ \large \boxed{ \red{ 43}}$

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