Question

Complete the following table using subtraction rule:

	+6	−7	+10	−2	+8	−5
+8
−5
+6			+4
−4
+10						−15

Answer 1

	+6	−7	+10	−2	+8	−5
+8	−2	−15	+2	−10	0	−13
−5	+11	−2	+15	+3	+13	0
+6	0	−13	+4	−8	+2	−11
−4	+10	−3	+14	2	+12	−1
+10	−4	−17	0	−12	−2	−15