A.1 PER 3×(0,25:2PER5)-4 PER 5. B.75 PERSEN+0,125×1 PER 4:1 PER 16-3 PER 10.TOLONG DI JAWAB DUA DUA NYA YA KAK PLISS

A.= 1/3*(0,25:2/5)-4/5
=1/3*(25/100:2/5)-4/5
=1/3*12,5/20-4/5
=12,5/60-4/5
=8,5/55
B.=75%+0,125*1/4:1/6-3/10
=75/100+125/1000*1/4:1/6-3/10
=75/100+125/400:1/16-3/10
=75/100+125/250-3/10
=375+250-150/500
=475/500