885. Запишите сумму без скобок и ВЫЧислите: 1) (-45) + (-55); 3) 51 + (-11); 5) (-35) +(-45 + 10); 2) (-54) + (-16); 4) 72 + (-22); 6) -35 + (-25 + 75). Образец: (-16) + (-24) = - 16 - 24 = -40.​
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