Question

1/8p-1/4p+1/2p-3/4p

Answer 1

$frac{1}{8p} - frac{1}{4p} + frac{1}{2p} - frac{3}{4p} = frac{1-2+4-6}{8p} =- frac{3}{8p}$

Answer 2

конечно

Answer 3

Общий знаменатель у дробей-8p
$frac{1}{8p} - frac{1}{4p} + frac{1}{2p}- frac{3}{4p} = frac{1-2+4-6}{8p} = frac{-3}{8p}$