September 2021 1 23 Report
3. Найдите сумму:
а) (-2) + (-5) + (-9) + 4 + 5 + 8;
б) (-6) + (-7) + (-12) + 14 + 15 + 23;
в) 1+ (-2) + (-8) +6+ (-9) + (4) + 5 + 21;
г) 20 + (-19) + 34 + (-22) + 45 + (-10).
Пожалуйста помогите мне,буду благодарна за помощь))​
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