If 9+11-2=153 13+14-1=223 then 12+25-3=?? explain step by step.
1) 811 2) 700 3) 686 4) 205
If possible fill + or - for o and make this true, if not possible then provide the reasoning...
1 o 1/2 o 1/3 o 1/4 o 1/5 o 1/6 o 1/7 o 1/8 o 1/9 o 1/10 o 1/11 o 1/12 = 0
