Question

Вычислите: 0.78·17+1.7·26.1-2.5·0.42-314·0.17-0.25·8.8=

Answer 1

= 13,26 + 44,37 - 1,05 - 53,38 -2,2 = 1

Answer 2

0.78·17 + 1.7·26.1 - 2.5·0.42 - 314·0.17 - 0.25·8.8 = 17 * (0,78 + 2,61 - 3,14) +

25 * (-0,042 - 0,088) = 17 * 0,25 + 0,13 * 25 = 0,25 * (17 - 13) = 0,25 * 4 = 1