" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2.4a2-4
3.8x3-y3
4.(-1+20+(-5))+(2a+(-a)+3a)=14+4a
2. 4a2 - 4
3. 8x3 - y3
4. 4a + 16 cm