Question

Repedeeeee va rog 20 puncte

Answer 1

[(1/2+2/3+5/6):12/7-6·1/18]·1/4:[5·12/25-1si1/3)

=[(3+4+5)/6+5/6):12/7-1/3]·1/4:[12/5-4/3)

=[(12/6+5/6):12/7-1/3]·1/4:[(36-20)/15

=[(17/6:12/7-1/3]·1/4:(16/15)
=(17/6·7/12-1/3)·1/4:16/15
=119/72-1/3)·1/4:16/15
=(119-24)/72]·1/4:16/15
=95/72·1/4·15/16
=1425/4608