Analysis: Because the product of 65 and 15 =65x 15=975.
The quotient of 165 and 12 =165÷12 =13.75.
So the product of 65 and 15 minus the quotient difference of 165 and 12 =
=975- 13.75
=96 1.25
The comprehensive formula is 65x15-165 ÷12.
=975- 13.75
=96 1.25