" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
18a=180/:18
a=10
B)4a+20+3a+a=180
4a+3a+a=180-20
8a=160/:8
a=20
C) 2a-60+a+3a-120=180
2a+a+3a=180+60+120
6a=360/:6
a=60
drugi 70 (7 a)
trzeci 10 (a)
pierwszy 100 (4 a + 20)
drugi 60 (3 a)
trzeci 20 (a)