Odpowiedź:
17 694+ a = 29 234
a = 29 234 - 17 694
a = 115 40
d / 18 = 1600
d = 1600 * 18
d = 28 800
60 871 - a = 2964
60 871 = 2964 + a
a = 60 871 - 2964
a = 57 907
13 * c = 3601
c = 3601 / 13
c = 277
17 694+ a = 29234
a = 29234 - 17694
a = 11540
d : 18=1600
[tex]\frac{1}{18}d = 1600[/tex] /*18
d = 28800
60 871 - a =2964
-a = 2964 - 60 871
-a = -57907
a = 57907
13• c=3601
13c = 3601 /:13
c =277
