Note: Given Exp, `= ((121 -32)/8)` `= 89/8` `= 11 1/8`.

Note: Given Exp , `= 25/2 xx 18/5 ÷ 9/5` `= 25/2 xx 18/5 xx 5/9` `= 25`

Note: Required number , `= ((75∕2))/((1∕8))` `= (75/2 xx 8/1)` `= 300`

Note: Given Exp , `=575/100 - 3/7 xx 63/4 + 72/35 ÷ 144/100` `= 575/100 - 27/4 + 72/35 xx 100/144` `= 575/100 - 27/4 + 10/7` `= (575 - 675)/100 + 10/7` `= (10/7 - 1)` `= 3/7`

Note: Given Exp , `= 15/2 - [9/4 ÷ {5/4 - 1/2(3/2 - 1/3 -1/6)}]` `= 15/2 - [9/4 ÷ {5/4 -1/2((18 - 4 2)/12)}]` `= 15/2 - [9/4 ÷ {5/4 - 1/2}]` `= 15/2 -[9/4 ÷ 3/4]` `= 15/2 - [9/4 xx 4/3]` `= (15/2 -3)` `= 9/2` `= 4 1/2`.

Note: Given Exp , `= 1 + 1 ÷ {1 + 1 ÷ 4/3}` `= 1 + 1 ÷ {1 + 1 xx 3/4}` `= 1 + 1 ÷ {1 + 3/4}` `= 1 + 1 ÷ 7/4` `= 1 + 1 xx 4/7` `= 1 + 4/7` `= 1 4/7`.

Note: Given Exp , `= .6 xx .6 + .6 ÷ 6` `= .36 + .6/6` `= .36 + .1` `= .46`

Note: Given Exp , `= 4 - 3.6/4 + 0.2 xx 0.5` `= 4 - 0.9 + 0.1` `= 4.1 - 0.9` `= 3.2`

Note: Given Exp , `= 108 ÷ 48` of `1/4 + 2/5 xx 15/4` `= 108 ÷ 12 + 3/2` `= (108/12 + 3/2)` `= (9 + 3/2)` `= 21/2` `= 10 1/2`.

Note: Given Exp , `= (1/4 + 1/4 ÷ 5/4)/(1/4 xx 1/4 + 9/4)` `= (1/4 + 1/4 xx 4/5)/(1/16 + 9/4)` `= (1/4 + 1/5)/(1/16 + 9/4)` `= ((9/20))/((37/16))` `= (9/20 xx 16/37)` `= 36/185`.