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94
85
74
65
94-49=45 -
85-58=27 +
74-47= 27 -
65 - 56 = 9 -
odp 85
rozw2 - układ równań
x*10 + y = y*10 + x + 27
x+y=13
9x - 9y = 27
x+y=13 |*9
9x - 9y = 27
9x +9y = 117
18x = 144 | /18
x+y=13
x=8
x+y=13
x=8
8+y=13
x=8
y=5
____________
x*10+y
8+10+5
>>>>>>>>> 85 <<<<<<<<