Answer :
Answer:
Step-by-step explanation:
3
+
1
−
1
=
1
0
−
1
3
=
9
3
3
=
9
3
=
3 answer
P/s: I don’t understand the question so I do it in two ways

Answer:
Step-by-step explanation:
3
+
1
−
1
=
1
0
−
1
3
=
9
3
3
=
9
3
=
3 answer