Question

раскрой скобки и найди значение выражения23,6+(14-30,5)-(6,8-1,9)

Answer 1

23.6+(14-30.5)-(6.8-1.9)
23.6+14-30.5-6.8+1.9=2.2

Answer 2

$23.6+(14-30.5)-(6.8-1.9)= \\ =23.6+(-16.5)-4.9=\\=23.6-16.5-4.9=2.2$