Question

Решите пожалуйста!



(23,82+54,58)*(1,202+0,698)-2,1*(3,53-1,89) =???​

Answer 1

$(23.82 + 54.58) \times (1.202 + 0.698) - 2.1 \times (3.53 - 1.89) = \\ 78.4 \times 1.9 - 7.413 + 3.969 = \\ 78.4 \times 1.9 - 3.444 = \\ 148.96 - 3.444 = 145.516$