109 !
143 - 20% = 143 x (1 - (20/100)) = 143 x 0.8 = 114.4
-4 minus -34 is 30
-34 minus -20 is -14
180+143-73 = 250
-3
34 divided by 4 then minus 2 is 6.5.
34 - 56 = -22
34 - 67 = -33
It is: 2012 minus 34 = 1978
81 minus 34 divided by 2 = 64.
34
34 - 15 = 19