" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x-3y
3x+2y=5z
6x-3y=1z
2x+y=z
x∧6x
4x÷12y
8x∧2y=3z
3x÷4y=7z
5x+3y∧2x=14z