Ответ:
3.46 + (-2.63) + (-5.46) + 2.63
Сгруппируем положительные и отрицательные числа вместе:
(3.46 + 2.63) + ((-2.63) + (-5.46))
6.09 + (-8.09) = -2
-5.34 + (-2.72) + 4.34 + 6.72
Сгруппируем числа:
(-5.34 + 4.34) + (-2.72 + 6.72)
-1 + 4 = 3
37 + (-50) + 22 + 13 + (-28)
Сгруппируем числа:
(37 + 22 + 13) + (-50 - 28)
72 - 78 = -6
-1.32 + 2.41 + 3.77 + (-4.68) + 0.59
Сгруппируем числа:
(-1.32 - 4.68) + (2.41 + 3.77 + 0.59)
-6 + 6.77 = 0.77
-16/25 + 4/27 + 21/25 + (-13/27)
Сгруппируем дроби с одинаковым знаменателем:
(-16/25 + 21/25) + (4/27 - 13/27)
5/25 + (-9/27) = 1/5 - 1/3
Приведем к общему знаменателю 15:
(3 - 5) / 15 = -2/15
-1.9 + m + 3.24 + (-7.1) + n + (-5.24)
Упростим выражение:
m + n - 1.9 + 3.24 - 7.1 - 5.24
m + n - 1.9 + 3.24 - 7.1 - 5.24 = m + n - 11
Подставим значения m = -14.8, n = 2.6:
-14.8 + 2.6 - 11 = -23.2
-23.2
-5 ⋅ 4 ⋅ 2
-20 ⋅ 2 = -40
-2.5 ⋅ (-23) ⋅ 40
-2.5 ⋅ 40 ⋅ (-23)
-100 ⋅ (-23) = 2300
0.8 ⋅ (-125) ⋅ 0.5 ⋅ (-2)
0. 8 ⋅ 0.5 ⋅ (-125) ⋅ (-2)
0. 4 ⋅ 250 = 100
-3.73 ⋅ 50 ⋅ (-2) ⋅ (-0.01)
-3. 73 ⋅ (-0.01) ⋅ 50 ⋅ (-2)
0. 0373 ⋅ (-100) = -3.73
7/8 ⋅ (-4.5) ⋅ (-1 1/7) ⋅ 0.4
7/8 ⋅ (-4.5) ⋅ (-8/7) ⋅ 0.4
7/8 ⋅ (-8/7) ⋅ (-4.5) ⋅ 0.4
-1 ⋅ (-1.8) = 1.8
-4/9 ⋅ (-3/11) ⋅ 9/16 ⋅ (-22)
-4/9 ⋅ 9/16 ⋅ (-3/11) ⋅ (-22)
-4/16 ⋅ 6/11 = -1/4 ⋅ 6/11
-3/22
-3/17 ⋅ 0.8 + 0.9 ⋅ (-3/17)
-3/17 ⋅ 0.8 - 3/17 ⋅ 0.9
-3/17 ⋅ (0.8 + 0.9)
-3/17 ⋅ 1.7 = -3/17 ⋅ 17/10 = -0.3
(-2/15 - 4/9) ⋅ (-90)
Приведем к общему знаменателю 45:
(-6/45 - 20/45) ⋅ (-90)
(-26/45) ⋅ (-90) = (-26/45) ⋅ (-90/1)
26 ⋅ 2 = 52
Ответ:
Ответ: -2, 3, -6, 0.77, -2/15, -23.2, -40, 2300, 100, -3.73, 1.8, -3/22, -0.3, 52
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