4 3/4.
Пошаговое объяснение:
|2,5| ⋅ |−4| − |21/3| ⋅ |−3/4|. = 2,5 ⋅ 4 − 21/3 ⋅ 3/4 = 10 - (21•3)/(3•4) = 10 - 21/4 = 10 - 5 1/4 = 9 4/4 - 5 1/4 = 4 3/4. ( Четыре целых три четвёртых)
4 3/4.
Пошаговое объяснение:
|2,5| ⋅ |−4| − |21/3| ⋅ |−3/4|. = 2,5 ⋅ 4 − 21/3 ⋅ 3/4 = 10 - (21•3)/(3•4) = 10 - 21/4 = 10 - 5 1/4 = 9 4/4 - 5 1/4 = 4 3/4. ( Четыре целых три четвёртых)