Current location - Training Enrollment Network - Mathematics courses - The acute triangle minus the square is equal to 30, and the triangle plus the square is equal to 50. How many triangles and squares are there?
The acute triangle minus the square is equal to 30, and the triangle plus the square is equal to 50. How many triangles and squares are there?
This is a question of sum and difference,
It is easy to know that triangles are large numbers and squares are decimal numbers, so: