Question

плисссссс срочно 8 балов

Answer 1

$\frac{19 \times 8 - 19 \times 6}{12 \times 38} = \frac{19(8 - 6)}{12 \times 38} = \frac{19 \times 2}{12 \times 38} = \frac{1}{12}$

Answer 2

1) 19 • 8 - 19 • 6= 19 • 2 = 38
2) 38/(12 • 38) = 1/12