Răspuns :
a|--|
B|--|--|--|--|--|--|+23
1)748-23=725
2)1+6=7
4)725:7=103 rest 4(a)
5)103.4×6+23 =643 rest 4(b)
A - B = 748
A : B = 6 REST 23
A = 6B + 23
6B + 23 - B = 748
5B = 748 - 23
B = 725 : 5
B = 145
A = 748 + 145
A = 893
A : B = 6 REST 23
A = 6B + 23
6B + 23 - B = 748
5B = 748 - 23
B = 725 : 5
B = 145
A = 748 + 145
A = 893