mateusz i dawid mają razem 18 lat dawid i piotr 23 lata a mateusz i piotr 19 lat ile alt ma kazdy z chlopcow
M + D = 18
D + P = 23
M + P = 19; M = 19 - P
(19 - P) + D = 18
D + P = 23; D = 23 - P
(19 - P) + 23 - P = 18
P = 12
D = 23 - P = 23 - 12 = 11
D = 11
M = 19 - P = 19 - 12 = 7
M = 7
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
M + D = 18
D + P = 23
M + P = 19; M = 19 - P
(19 - P) + D = 18
D + P = 23; D = 23 - P
(19 - P) + 23 - P = 18
P = 12
D = 23 - P = 23 - 12 = 11
D = 11
M = 19 - P = 19 - 12 = 7
M = 7