jika p=1/2,q=2/5,dan r=3/4 bentuk dibawah ini a.(r)³+p×q b.(p+r)-√(q)² c.(r-p)×q d.(4/3q-5/2p)+r

a. 27/64 + 1/2.2/5
= 27/64 + 2/10
=398/640
b.1/2+3/4-√4/25
=5/4-2/5
=17/20
c.(3/4-1/2).2/5
= 1/4.2/5 = 2/20 = 1/10
d.(4/3.2/5-5/2.1/2)+3/4
= (8/15-5/4)+3/4
= -43/60 + 3/4
= 2/60 = 1/30