Π=180°
1°=π/180°
1) 40 = 40°π/180° = 2π/9
2) 120° = 120°π/180° = 2π/3
3) 150° = 150°π/180° = 5π/6
4) 75° = 75°π/180° = 5π/12
5) 32° = 32°π/180° = 8π/45
6) 140° = 140°π/180° = 7π/9
(- 8,6)³ = - 636,056
(- 1,24)² = 1,5376
- 31² = 961
- 0,45³ = - 0,091125
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5² - 3² = (5 - 3)² = 2² = 4
3 * 6² = 3 * 36 = 108
2³ - 3² = 8 - 9 = - 1
6² * (- 4) = 36 * (-4) = - 144
(-10 + 7)³ = (7 - 10)³ = - 3³ = - 27
(-2)³ * (-1)⁶ = - 8 * 1 = - 8
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2у³ = 2 * (-1)³ = - 2
2 * 0³ = 0
2 * 3³ = 2 * 27 = 54
4b² = 4 * 0² = 0
4 * (-2)² = 16
4 * 1² = 4
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дополнительно :
г) 64 может быть : 8² или 4³