Найди значение выражения в заданиях 5 и 6

Привет! Давай помогу решить эти примеры. Задание 5: 1) $1 + \frac{0.9}{5} = 1 + 0.18 = 1.18$ 2) $1 - \frac{2.6}{14} = 1 - 0.1857 \approx 0.814$ 3) $1 + \frac{1.3}{12} = 1 + 0.1083 \approx 1.108$ 4) $1 - \frac{1.2}{3} = 1 - 0.4 = 0.6$ 5) $1 + \frac{0.6}{2} = 1 + 0.3 = 1.3$ 6) $1 - \frac{0.8}{9} = 1 - 0.0889 \approx 0.911$ Задание 6: 1) $-7 - (-4.7) - 6.8 = -7 + 4.7 - 6.8 = -9.1$ 2) $-13 - (-9.3) - 7.8 = -13 + 9.3 - 7.8 = -11.5$ 3) $-12 - (-8.6) - 9.4 = -12 + 8.6 - 9.4 = -12.8$ 4) $7.6 - 8 - (-5.2) = 7.6 - 8 + 5.2 = 4.8$ 5) $6.8 - 11 - (-6.1) = 6.8 - 11 + 6.1 = 1.9$ 6) $5.3 - 9 - (-4.4) = 5.3 - 9 + 4.4 = 0.7$ 7) $-0.8 - (-10)^2 - 95 = -0.8 - 100 - 95 = -195.8$ 8) $0.7 - (-10)^3 - 20 = 0.7 - (-1000) - 20 = 0.7 + 1000 - 20 = 980.7$ 9) $-0.2 - (-10)^2 + 55 = -0.2 - 100 + 55 = -45.2$ 10) $0.9 - (-10)^3 + 50 = 0.9 - (-1000) + 50 = 0.9 + 1000 + 50 = 1050.9$ 11) $-0.7 - (-10)^2 - 120 = -0.7 - 100 - 120 = -220.7$ 12) $0.6 - (-10)^3 + 50 = 0.6 - (-1000) + 50 = 0.6 + 1000 + 50 = 1050.6$ 13) $30 - 0.8 - (-10)^2 = 30 - 0.8 - 100 = -70.8$ 14) $80 + 0.4 - (-10) = 80 + 0.4 + 10 = 90.4$ 15) $55 + 0.2 - (-10)^2 = 55 + 0.2 - 100 = -44.8$ 16) $-60 + 0.4 - (-10)^2 = -60 + 0.4 - 100 = -159.6$ 17) $-80 + 0.3 - (-10)^2 = -80 + 0.3 - 100 = -179.7$ 18) $-45 + 0.5 - (-10)^2 = -45 + 0.5 - 100 = -144.5$