What is the quotient of dividing 4 out of 9 into 1 out of 9 out of 18? Is it division or not

[18×(1/9)]÷[3×4/9)]
=2÷(4/3)
=2×(3/4)
=3/2

RELATED INFORMATIONS

1. 2 and 3 of 9 = 18 () = () 80
2. The results show that √ 18 - √ 9 of 2 - √ 3 of 3 + √ 6 + (√ 3-2) + √ (1 - √ 2) & sup2;
3. 20 out of 70, 15 out of 35, 42 out of 45, 21 out of 36, 33 out of 55, 26 out of 52, 50 out of 20, 28 out of 35, 81 out of 18, the simplest score is urgent! Great Xia, help! Please, thank you
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7. Find [60,72,84] (60,72,84) [18.12.24] (18.12.24)
8. ）Equal to 16 / 3 of () equal to 2 / 3 equal to () divided by 18 equal to 24 divided by ()
9. (2 √ 24 - √ 18) △ 3 + 2 √ 3 / 2
10. Use - 2,2,3,6 to make the result equal to 24
11. 13-[26-(-21)+（-18)]=
12. （1/1*4）+（1/2*5）+（1/3*6）...+（1/17*20）+（1/18*21）=?
13. 1 out of 18 + (2 out of 3 + 4 out of 21) = = = How much is it?
14. 4 + 4 + 1 / 2 * 6 / 7 / 9 / 5 of 14 -- (1 + 5 / 6 + 1 + 11 / 18)
15. 5 / 9 + 3 / 11 + 4 / 9 + 8 / 11 + 7 / 18 △ 4 + 3 / 4 × 7 / 18 (1 / 4-1 / 6) × 12 5 of 9 + 3 of 11 + 4 of 9 + 8 of 11 + 7 of 18 △ 4 + 3 of 4 × 7 of 18 (1 of 4-1 of 6) × 12 important process
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17. 25 1 / 3 - [(20-15 3 / 4) + (13 3 / 4-17)]
18. A simple method to calculate 15 × (4 + 20)=
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20. The radii of circle O1 and circle 02 are 3cm and 4cm respectively. Under the following conditions, the position relationship between circle O1 and circle O2 can be obtained (1) O1O2 = 8 cm (2) O1O2 = 7 cm (3) O1O2 = 5cm (4) O1O2 = 1cm (5) O1O2 = 0.5cm (6) 01 and O2 coincide