Respuesta :
Answer:10
Step-by-step explanation:
Add 9 to 10 to get 19, then add 3 to get 22, then add 8 to get 30.
Answer:
10
Step-by-step explanation:
8+10+9+3=30. So, 40-30=10
Answer:10
Step-by-step explanation:
Add 9 to 10 to get 19, then add 3 to get 22, then add 8 to get 30.
Answer:
10
Step-by-step explanation:
8+10+9+3=30. So, 40-30=10