Quotient, the formula is: (dividend-remainder) ÷ divisor = quotient, written as: dividend ÷ divisor = quotient, for example, 60÷5= 12, then 12 is the quotient in this formula. For example, 60÷5= 12, then 12 is the quotient in this formula.

Law of quotient invariance and law of product variation;

Law of quotient invariance.

1. The divisor and divisor are expanded or reduced by the same multiple at the same time, and the quotient remains unchanged.

2. In division, the divisor is constant, the divisor is expanded (or reduced) several times, but the quotient is reduced (or expanded) by the same times.

3. In division, if the divisor remains the same, the dividend will be expanded (or reduced) several times, and the quotient will also be expanded (or reduced) by the same multiple.

Law of product change.

When two factors are multiplied, one factor remains unchanged, how many times the other factor is expanded (or reduced), and the product is also expanded (or reduced) by the same multiple.