1.(25%-695%-12%)*36 2.3/4*3/5+3/4*2/5 3.(1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 [(1/3+1/2)/5/6-1/3]/1/7 8 2/3/5+3/5/2+3/4 9 1/[(2-2/3/1/2)]*2/5 10 3^2*3.25678 11 3^3-5 12 ...