26
Plus 12 plus -13 plus plus 1 can be rewritten in mathematical terms as: 12+(-13)+1 or 12-13+1 12-13+1 =-1+1 =0
13+(-12) = 1
-1 + 13 = 12
It evaluates to: 12+(-1)+(-1)+3 = 13
A bakers dozen. 12+1=13
1/2 + 1/12 is 7/12
8 plus 1 times 12 minus 13 is equal to seven.
13 if you refer to a number line. If you subract you will get -1-12 = -13
-1
1 + ( 3) 4 =1 + 12 = 13
3/4 plus 1/3 = 13/12 or 1 and 1/12
12