Помогите Пожалуйста срочно

Решите задачу:

$1) \: 2.3 \times 11 + 1.8 \times 15 = 25.3 + 27 = 52.3 \\ 2) \: 6.25 \times 16 + 18.9 \times 21 = 100 + 396.9 = 496.9 \\ 3) \: 9.03 \times 25 - 10.7 \times 15 = 225.75 - 160.5 = 60.25 \\ 4) \: 1.5 \times 10 + 2.08 \times 45 = 15 + 93.6 = 108.6 \\ 5) \: 12.08 \times 100 - 75.6 \times 11 = 1208 - 831.6 = 376.4 \\ 6) \: 46.134 \times 10 + 91.05 \times 100 = 461.34 + 9105 = 9566.34$