a : b = 97 rest 21
a = 97 x b + 21
a - b = 5 397
Inlocuim pe a in diferenta si obtinem:
97 x b+ 21 - b = 5 397
96 x b = 5 397 - 21
96 x b = 5 376
b = 5 376 : 96
b = 56
a = 97 x 56 + 21 = 5 432 + 21 = 5 453
(4 a - b : 14) : 8=
= ( 4 x 5 453 - 56 : 14 ) : 8 = 2 726
= ( 21 812 - 4 ) : 8 =
= 21 808 : 8 =
= 2 726
