Answers

2016-04-12T14:14:10+05:30
(a)  -6 and 2
(b) -6 and 6
(c) 3 and 2
(d)3 and 1
(e) impossible
2 5 2
2016-04-12T14:30:29+05:30
(1) 6-12= -6......... (2) -7+7=0 or 7-7=0..........(3) 7-5= 2......... (4) 10-1=9( 9 is greater than 1 but smaller than 10)..........(5) 10-7= 3... So not possible... If done with other numbers also.
3 4 3