Current location - Training Enrollment Network - Mathematics courses - Write an advertisement with a math problem and a word.
Write an advertisement with a math problem and a word.
The area of the parallel four edges is 16, and the changed bottom * height is 15, and the new graphic area is reduced by 1.

The new graphic area 12 is 4 less than the original graphic area.

Advertisement: Fire is a tool of human beings, not a pawn that destroys civilization and progress! —— Prevent fire accidents and build a safe campus.