victorz, 7 months ago That Z² is equal to ZZ. If we didn’t use parentheses in primary school, because “the math doesn’t need it”, then it would be quite unnecessarily hard on the students’ learning. Maybe it’s a joke someone made for a class?
That Z² is equal to ZZ.
If we didn’t use parentheses in primary school, because “the math doesn’t need it”, then it would be quite unnecessarily hard on the students’ learning. Maybe it’s a joke someone made for a class?