One out of 18 out of 9 is [] and one out of 12 is 11 out of 12

One out of 18 out of 9 is [] and one out of 12 is 11 out of 12

One out of 18 of 9 is [one out of 2]
【11】 One out of 12 is 11 out of 12

136÷（14+112-718-136）+（14+112-718-136）÷136．

The original formula is 136 △ (- 112) + (14 + 112-718-136) × 36 = - 13 + 9 + 3-14 + 1 = - 113

Least common multiple: 3 and 5 (15) 4 and 8 (8) 1 and 13 (13) 13 and 26 (26) 4 and 9 (36) 17 and 51 (51) 21 and 36 (252)
10 and 70 (70) 22 and 55 (110) 11 and 77 (77) 5 and 100 (100) 2 and 42 (42), are there any mistakes, please correct them!

There are 21 and 36 (84)

45,24=285 17,21=227 36,43=466 25,31=( )
According to the relationship of the first three columns, the expanded number is supplemented completely

335
The whole number has 3 digits
The first bit takes the tenth bit of the second number [3]
The second bit is the sum of the first tens of bits and the second several bits [2 + 1 = 3]
The third bit is the bit of the first number [5]
25,31=335