Вариант 1А) -2/9 : 6 = -2/9 1/6 = -2/54 = -1/2Б) -15/11 ÷ (-25) = -15/11 (-1/25) = 15/275 = 3/5В) -13/17 ÷ 1 = -13/1Г) 1 ÷ (-9/1513701) = 1 * (-1513701/9) = -1513701/9
Вариант 2А) -5/6 ÷ 2/15 = -5/6 15/2 = -25/1Б) 7/9 ÷ (-18/21) = 7/9 (-21/18) = -49/5В) 21 целых 13/3 ÷ 1/9 = (21 * 9 + 13)/3 = (189 + 13)/3 = 202/3 = 67 целых 1/3
Вариант 1
А) -2/9 : 6 = -2/9 1/6 = -2/54 = -1/2
Б) -15/11 ÷ (-25) = -15/11 (-1/25) = 15/275 = 3/5
В) -13/17 ÷ 1 = -13/1
Г) 1 ÷ (-9/1513701) = 1 * (-1513701/9) = -1513701/9
Вариант 2
А) -5/6 ÷ 2/15 = -5/6 15/2 = -25/1
Б) 7/9 ÷ (-18/21) = 7/9 (-21/18) = -49/5
В) 21 целых 13/3 ÷ 1/9 = (21 * 9 + 13)/3 = (189 + 13)/3 = 202/3 = 67 целых 1/3