1. m : 7 = 118 rest3
m= 118 x 7 + 3
m= 829
2. 472 : a = 3 rest 2
a= ( 472 - 2) : 3
a= 470: 3
a= 156,6
3. a : b = 4 r 5
a) a - b = 704
a : b = 4 r 5 ⇒ a = 4b + 5
4b + 5 - b = 704
3b= 704-5
3b= 699
b= 233
a= 4x233+5
a=937
V: a - b = 937- 233= 704(adevarat)
b) a - b = 110
a=4b+5
4b+5 - b = 110
3b = 110-5
3b =105
b= 35
a=4x35+5
a=145
V: a-b= 145-35=110(adevarat)
c) a - b = 425
a=4b+5
4b+5-b=425
3b=425-5
3b= 420
b=140
a=4x140+5
a = 565
V: a- b = 565-140=425(adevarat)