Question

answer plss and fast i willnpost tbe question on the comment

Answer 1

$-\frac{3}{4}-(-\frac{1}{4}-\frac{1}{2})=-\frac{3}{4}+\frac{3}{4}=-\frac{3}{4}+(\frac{1}{4}+\frac{1}{2})=-\frac{3}{4}-(-\frac{1}{4}+(-\frac{1}{2}))$

so the correct options are 2, 5 and 6