Ответ:
Пошаговое объяснение:
№1
-5 * (-1/15) = 5/15 = 1/3
№2
А) - 0,3m
№3
2у - 6у = - 4у
№4
(-2)³ = -2 * (-2) * (-2) = -8
№5
1) -0,5 * (-2) * 37 = 1 * 37 = 37
2) 12 * (27 - 37) = 12 * (-10) = -120
№6
1) - 2,5х * 2у = - 5ху
2) - 4m + 2n + 6m - 5n = 2m - 3n
№8
5/6х - 1/12х + 1/2х = 3. 3/4
10/12х - 1/12х + 6/12х = 3. 3/4
15/12х = 15/4
х = 15/4 : 15/12
х = 15/4 * 12/15
х = 12/4
х = 3
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Answers & Comments
Ответ:
Пошаговое объяснение:
№1
-5 * (-1/15) = 5/15 = 1/3
№2
А) - 0,3m
№3
2у - 6у = - 4у
№4
(-2)³ = -2 * (-2) * (-2) = -8
№5
1) -0,5 * (-2) * 37 = 1 * 37 = 37
2) 12 * (27 - 37) = 12 * (-10) = -120
№6
1) - 2,5х * 2у = - 5ху
2) - 4m + 2n + 6m - 5n = 2m - 3n
№8
5/6х - 1/12х + 1/2х = 3. 3/4
10/12х - 1/12х + 6/12х = 3. 3/4
15/12х = 15/4
х = 15/4 : 15/12
х = 15/4 * 12/15
х = 12/4
х = 3