Table:
0
A
B
C
D
E
1
Fraction
Ellipsis
Vinculum
Dots
Parentheses
2
1/9
0.111…
0. 1
0.\dot{1}
0.(1)
3
1/3
0.333…
0. 3
0.\dot{3}
0.(3)
4
2/3
0.666…
0. 6
0.\dot{6}
0.(6)
5
9/11
0.8181…
0. 81
0.\dot{8}\dot{1}
0.(81)
6
7/12
0.58333…
0.58 3
0.58\dot{3}
0.58(3)
7
1/81
0.012345679…
0. 012345679
0.\dot{0}1234567\dot{9}
0.(012345679)
8
22/7
3.142857142857…
3. 142857
3.\dot{1}4285\dot{7}
3.(142857)

Questions and formulas:
Question: How much is vinculum when the parentheses are 0.(81)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="0.(81)"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="0.(81)"),3))
Level: medium
Question: What fraction has a value for dots of 0.\dot{3}?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="0.\dot{3}"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="0.\dot{3}"),1))
Level: medium
Question: What is the dot value when the ellipsis is 0.012345679…?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="0.012345679…"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="0.012345679…"),4))
Level: medium
Question: What fraction has parentheses of 0.(3)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="0.(3)"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="0.(3)"),1))
Level: medium
Question: What is the value for parentheses with a dots value of 0.\dot{6}?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="0.\dot{6}"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="0.\dot{6}"),5))
Level: medium
Question: What is the value of vinculum for parentheses of 0.(6)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="0.(6)"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="0.(6)"),3))
Level: medium