" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
10-(5-?)=3(5-2)
10 - 5 + ? = 3 * 3
5 + ? = 9
? = 4
spr.
10-(5-4) = 3(5-2)
10 - 1 = 3 * 3
9 = 9