5x 2y = 10 2x 5y = 8
1 0 04 075.. 0 0 2 0 9 0 75... 0 0 0 4 0 75..
à
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1000 X X 20 = 1 1000 50 1000 1 X 5000 X 50 25 1000 X 40000 1000 X
3 + 5 2.61803398 1.61803398 2 1 + 5 5 1 0.61803398 2 2 1 ( 5 + 1)( 5 1) = 5 1 4 4 = 1 1 2 1 φ φ
x = 3n 1 + a (1) x = 5n 2 + b (2) x = 7n 3 + c (3) 35x = 105n 1 + 35a (4) 21x = 105n 2 + 21b (5) 15x = 105n 3 +15c (6) 0 1 2 3 4
10 = 5 1 2 52 26 52 = 26 1 2 1 2
100 x = 2 x 5000 100
1 20 = 10 2 1 20 = 5 4 1 20 = 4 5
(4)91 + 5742 638 = 1578 (5)94 = 263 69258 (6) 3 = 714 5643 (7) 81 = 297 5742 1578 (4) 91+ (5) 94 638 263 = 91 9 = 94 6 = 100 = 100 69258 5643 (6) 3 (7) 81 714 297 = 3 + 97 = 81 19 = 100 = 100
x + + = 24 2x 4y 8z = 102 x = 13 x = 7 x = 5 x = 3 x = 1 y = 3 y = 12 y = 15 y = 18 y = 21 z = 8 z = 5 z = 4 z = 3 z = 2
1
124 3 121 11 11 =