Ответ:
-15 18/65
Пошаговое объяснение:
1) 3 1/2 * 5 1/5 = 7/2 * 26/5 = 91/5 = 18,2
2) 1 1/2 : (-2,6) = 3/2 : (-13/5) = 3/2 * (-5/13) = -15/26
3) 3,5 - 18,2 = -14,7
4) -14,7 +(-15/26) = -14 7/10 - 15/26 = -14 91/130 - 75/130 = -14 166/130 = -15 36/130 = -15 18/65
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Ответ:
-15 18/65
Пошаговое объяснение:
1) 3 1/2 * 5 1/5 = 7/2 * 26/5 = 91/5 = 18,2
2) 1 1/2 : (-2,6) = 3/2 : (-13/5) = 3/2 * (-5/13) = -15/26
3) 3,5 - 18,2 = -14,7
4) -14,7 +(-15/26) = -14 7/10 - 15/26 = -14 91/130 - 75/130 = -14 166/130 = -15 36/130 = -15 18/65