(1) If the quotient is 1, the divisor is the same as the divisor. (2) if the quotient is 0, the divisor must be 0 I think it's all right. Why?

(1) If the quotient is 1, the divisor is the same as the divisor. (2) if the quotient is 0, the divisor must be 0 I think it's all right. Why?


1 right 2 wrong (missing condition: when divisor is not 0)