Page 10 - Facto Lv.1_C1 Answer Key

+- 4

== +-

6 -5 = 1 23

==

6-5=1

4+5=9
3456

3+6=9

3+6=4+5

2+5=7 2+5=7

7-5=2 7-2=5
2+6=8 2+6=8

8-6=2 8-2=6