(-) / 10 = 27 / 45 = (-)% = (-): 18 = (-) / 9 = (-) = 2.6 / (-)

(-) / 10 = 27 / 45 = (-)% = (-): 18 = (-) / 9 = (-) = 2.6 / (-)

(6) / 10 = 27 / 45 = (60)% = (10.8): 18 = (5.4) / 9 = (6) Cheng = 2.6 / (4 and 1 / 3)

What is the second number of 3,6,9,27,18,27?

9
The first 47 are 3,9,27
The 25th is 9,27
The third and sixth are 6,18

What's 2 + 7 / 18-5 / 27 and 6 - (7 / 9 = 2 / 3)
2+7/18-5/27 6-（7/9=2/3）
6-（7/9+2/3）

2+7/18-5/27
General score: 108 / 54 + 21 / 54-10 / 54
=119/54
6-（7/9+2/3）
Remove brackets: 6-7 / 9-2 / 3
General score: 54 / 9-7 / 9-6 / 9
=41/9

(36 / 47 + 27 / 59) / (24 / 47 + 18 / 59) simple calculation

(36/47+27/59)÷（24/47+18/59）
=3(12/47+9/59)÷[2(12/47+9/59)]
=3/2
=1.5