" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x+3
2x-1-2x+3=x
2x-2x+x=3+1
x=4
2(4)-1=7+2cm =9cm
2(4)+3=11+2cm=13cm
9(20$)=180$
13(20$)=260$
f(4)=20(4+4(1)
5(64)
440$