Пошаговое объяснение:
д)
-2 6/7 : (-1 4/14) = -20/7 : (-18/14) = -20/7 * (-14/18) = 10/1 * 2/9 = 20/9 = 2 2/9
е)
3,6 * 2,7 : (-8,1) = 9,72 : (-8,1) = -1,2
ж)
-6,3 : (-1,8) * 3 = 3,5 * 3 = 10,5
з)
-2/5 * (-5/8) : 3/4 = 10/40 * 4/3 = 40/120 = 1/3
1 2/3 : (-5/6) * 2 2/5 = 5/3 * (-6/5) * 12/5 = -30/15 * 12/5 = -2 * 12/5 = -24/5 = -4 4/5
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Пошаговое объяснение:
д)
-2 6/7 : (-1 4/14) = -20/7 : (-18/14) = -20/7 * (-14/18) = 10/1 * 2/9 = 20/9 = 2 2/9
е)
3,6 * 2,7 : (-8,1) = 9,72 : (-8,1) = -1,2
ж)
-6,3 : (-1,8) * 3 = 3,5 * 3 = 10,5
з)
-2/5 * (-5/8) : 3/4 = 10/40 * 4/3 = 40/120 = 1/3
е)
1 2/3 : (-5/6) * 2 2/5 = 5/3 * (-6/5) * 12/5 = -30/15 * 12/5 = -2 * 12/5 = -24/5 = -4 4/5