Respuesta :
Answer:
Changing the signs and the operation: 12+−7
Step-by-step explanation:
Answer:
Changing the signs and the operation: 12+−7
Step-by-step explanation:
Answer:
Changing the signs and the operation: 12+−7
Step-by-step explanation:
Answer:
Changing the signs and the operation: 12+−7
Step-by-step explanation: