Question

$5\frac{12}{23} -3\frac{19}{23} +1\frac{8}{23}$

Answer 1

Ответ:

5 12/23-3 19/23+1 8/23=127/23-88/23+31/23=37/23+31/23=68/23=2 12/23

Answer 2

Ответ:

$5\frac{12}{23} -3\frac{19}{23} +1\frac{8}{23} = (5 - 3 + 1) + ( \frac{12}{23} - \frac{19}{23} + \frac{8}{23} ) = 3 + \frac{12 - 19 + 8}{23} = 3 + \frac{1}{23} = 3 \frac{1}{23}$