Title: Resta de nombres enters
Course: Matemàtiques 1r ESO

Q: {a}-{b}
A: {a}-{b} (formula; values not in the backup's text)

Q: ({a})-({b})
A: {a}-{b} (formula; values not in the backup's text)

Q: {a}-({b})
A: {a}-{b} (formula; values not in the backup's text)