" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. 11 x'2 - 18y - 7y'3
3. 4a + 12b + 10a - 25 = 14a - 13b
4. -2p'2 + 3p + 6q
semoga membantu