Question

3 1/3+(-5 7/5)-(-1 2/5)
умоляю, помогите. дам 50баллов​

Answer 1

Пошаговое объяснение:

3. 1/3 + (-5. 7/5) - (-1. 2/5) =

3. 1/3 - 5. 7/5 + 1. 2/5 =

3. 5/15 - 5. 21/15 + 1. 6/15 =

-2. 16/15 + 1. 6/15 = -1. 10/15 = -1. 2/3

Answer 2

$3 \frac{1}{3} + ( - 5 \frac{7}{15} ) - ( - 1 \frac{2}{5} ) = 3 \frac{1}{3} - 5 \frac{7}{15} + 1 \frac{2}{5} = \frac{10}{3} - \frac{82}{15} + \frac{7}{5} = \frac{50}{15} - \frac{82}{15}+\frac{21}{15} = - \frac{11}{15}$