Вариант 1 C-7 1. Запишите числа, противоположные числам +7; -4; 0. 2. Определите модули чисел: +5; -8; 0. 3. Упростите записи чисел: +(-7); -(+9); -(-7). 4. Сравните числа: а) -3 и 0; б) +8 и 0; в) -11 и +8; г) -12 и 9; д) +30 и+ 40; е) - 30 и - 40.​
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