Răspuns :
a-b=864
a:b=9
a=9b
9b-b=864
8b=864
b=864:8
b=108
a=9*108
a=972
a:b=9
a=9b
9b-b=864
8b=864
b=864:8
b=108
a=9*108
a=972
a-b= 864
a: b = 9 =>a = 9×b
a = 9 segmente
b = 1 segment
9-1 = 8 segmente (a-b)
864:8= 108(un segment)
a =9×108
a = 972
b = 108
verficare: 972-108=864
972:108= 9
a: b = 9 =>a = 9×b
a = 9 segmente
b = 1 segment
9-1 = 8 segmente (a-b)
864:8= 108(un segment)
a =9×108
a = 972
b = 108
verficare: 972-108=864
972:108= 9