Answer:
divide 10, - 10
+10, divide 10
Step-by-step explanation:
350 → D → B → 25
350 → A → D → 36
2nd question :
[tex]350 \div 10 = 35 \\ 35 - 10 = 25[/tex]
3rd question :
[tex]350 + 10 = 360 \\ 360 \div 10 = 36[/tex]