Let 8个金币 = G1,G2,G3,------G8; and let G1+G2+G3-----G8 = G123---------8
1st.) Weigh G12, G34; then, (G12 <, > or = G34); if =, go to step 7
2nd) weigh G1234, G5678; then, (G1234 <, >, or = G5678);
1) if 1st. weigh <, and 2nd. weigh <, then, G34 are 真金币;
3rd. weigh G56, G78; (G56 > or < G78);
1a) if 3rd. weigh >, then, 4th. weigh G15, G36; then, (G15 <, > or = 36)
i) if G15 < G36, G6 is the 重假币 and G1 is the 轻假币---- Answer
ii) if G15 > G36, G5 is the 重假币 and G2 is the 轻假币---- Answer
iii) if G15 = G36, G5 is the 重假币 and G1 is the 轻假币---- Answer
1b) if 3rd. weigh <, then, 4th. weigh G17, G34; then, (G17 < or > G34)
i) if G17 < G34, G8 is the 重假币 and G1 is the 轻假币---- Answer
ii) if G17 > G34, G7 is the 重假币 and G2 is the 轻假币---- Answer
iii) if G17 = G34, G7 is the 重假币 and G1 is the 轻假币---- Answer
2) if 1st. weigh <, and 2nd. weigh >, then, G12 are 真金币; then,
3rd. weigh G56, G78; (G56 > or < G78);
2a) if 3rd. weigh >, then, 4th. weigh G37, G12; then, (G37 <, > or = G12)
i) if G37 < G12, G4 is the 重假币 and G7 is the 轻假币---- Answer
ii) if G37 > G12, G3 is the 重假币 and G8 is the 轻假币---- Answer
iii) if G37 = G12, G3 is the 重假币 and G7 is the 轻假币---- Answer
2b) if 3rd. weigh <, then, 4th. weigh G35, G12; then, (G35 <, > or = G12)
i) if G35 < G12, G5 is the 重假币 and G4 is the 轻假币---- Answer
ii) if G35 > G12, G3 is the 重假币 and G6 is the 轻假币---- Answer
iii) if G35 = G12, G3 is the 重假币 and G5 is the 轻假币---- Answer
3) if 1st. weigh <, and 2nd. weigh =, then, G5678 are 真金币;
3rd) weigh G13,G56; (G13 >,< or = G56);
3a) if 3rd. weigh >, then, G3 is the 重假币 and G2 is the 轻假币---- Answer
3b) if 3rd. weigh <, then, G4 is the 重假币 and G1 is the 轻假币---- Answer
3c) if 3rd. weigh =, then, 4th. weigh G1, G3; (G1 < or = G3)
i) if G1 < G3, G3 is the 重假币 and G1 is the 轻假币---- Answer
ii) if G1 = G3, G4 is the 重假币 and G4 is the 轻假币---- Answer
4) if 1st. weigh >, and 2nd. weigh <, then, G12 are 真金币;
3rd. weigh G56, G78; (G56 > or < G78);
4a) if 3rd. weigh >, then, 4th. weigh G35, G12; then, (G35 <, > or = G12)
i) if G35 < G12, G6 is the 重假币 and G3 is the 轻假币---- Answer
ii) if G35 > G12, G5 is the 重假币 and G4 is the 轻假币---- Answer
iii) if G35 = G12, G5 is the 重假币 and G3 is the 轻假币---- Answer
4b) if 3rd. weigh <, then, 4th. weigh G37, G12; then, (G37 < or > G12)
i) if G37 < G12, G8 is the 重假币 and G3 is the 轻假币---- Answer
ii) if G37 > G12, G7 is the 重假币 and G4 is the 轻假币---- Answer
iii) if G37 = G12, G7 is the 重假币 and G3 is the 轻假币---- Answer
5) if 1st. weigh >, and 2nd. weigh >, then, G34 are 真金币;
3rd. weigh G56, G78; (G56 > or < G78);
5a) if 3rd. weigh >, then, 4th. weigh G17, G34; then, (G17 <, > or = G34)
i) if G17 < G34, G2 is the 重假币 and G7 is the 轻假币---- Answer
ii) if G17 > G34, G1 is the 重假币 and G8 is the 轻假币---- Answer
iii) if G17 = G34, G1 is the 重假币 and G7 is the 轻假币---- Answer
5b) if 3rd. weigh <, then, 4th. weigh G15, G34; then, (G15 < or > G34)
i) if G15 < G34, G2 is the 重假币 and G5 is the 轻假币---- Answer
ii) if G15 > G34, G1 is the 重假币 and G6 is the 轻假币---- Answer
iii) if G15 = G34, G1 is the 重假币 and G5 is the 轻假币---- Answer
6) if 1st. weigh >, and 2nd. weigh =, then, G5678 are 真金币;
3rd. weigh G13, G56; (G13 >,< or = G56);
6a) if 3rd. weigh >, then, G1 is the 重假币 and G4 is the 轻假币---- Answer
6b) if 3rd. weigh <, then, G2 is the 重假币 and G3 is the 轻假币---- Answer
6c) if 3rd. weigh =, then, 4th. weigh G1, G3; (G1 > or = G3)
i) if G1 > G3, G1 is the 重假币 and G3 is the 轻假币---- Answer
ii) if G1 = G3, G2 is the 重假币 and G4 is the 轻假币---- Answer
7) if 1st. weigh =,
2nd) weigh G135, G246; (G135<, > or = G246)
7a) if 2rd. weigh <, then, 3rd. weigh G7, G8; (G7 < or > G8)
if 3rd. weigh <, then, 4th. weigh G6, G8; (G6 < or > G8)
i) if G6 < G8, G8 is the 重假币 and G5 is the 轻假币---- Answer
ii) if G6 > G8, G6 is the 重假币 and G7 is the 轻假币---- Answer
7b) if 3rd. weigh >, then, 4th. weigh G6, G7; then, (G6 < or > G7)
i) if G6 < G7, G7 is the 重假币 and G5 is the 轻假币---- Answer
ii) if G6 > G7, G6 is the 重假币 and G8 is the 轻假币---- Answer
8) if 1st. weigh =, and 2nd. weigh =, G123456 are 真金币;
3rd. weigh G7, G8; (G7 > or G8);
if 3rd. weigh >, then, G7 is the 重假币 and G8 is the 轻假币---- Answer
if 3rd. weigh <, then, G8 is the 重假币 and G7 is the 轻假币---- Answer
Let 9个金币 = G1,G2,G3,------G9; and let G1+G2+G3-----G9 = G123---------9
1st.) Weigh G12, G34; then, (G12 <, > or = G34); if =, go to step 7
2nd) weigh G1234, G5678; then, (G1234 <, >, or = G5678);
1) if 1st. weigh <, and 2nd. weigh <, then, G34 are 真金币;
3rd. weigh G56, G78; (G56 >,< or = G78);
1a) if 3rd. weigh >, then, 4th. weigh G15, G36; then, (G15 <, > or = 36)
i) if G15 < G36, G6 is the 重假币 and G1 is the 轻假币---- Answer
ii) if G15 > G36, G5 is the 重假币 and G2 is the 轻假币---- Answer
iii) if G15 = G36, G5 is the 重假币 and G1 is the 轻假币---- Answer
1b) if 3rd. weigh <, then, 4th. weigh G17, G34; then, (G17 < or > G34)
i) if G17 < G34, G8 is the 重假币 and G1 is the 轻假币---- Answer
ii) if G17 > G34, G7 is the 重假币 and G2 is the 轻假币---- Answer
iii) if G17 = G34, G7 is the 重假币 and G1 is the 轻假币---- Answer
1c) if 3rd. weigh =, then, 4th. weigh G1, G2; then, (G1 < or > G2)
i) if G1 < G2, G9 is the 重假币 and G1 is the
作者: Jenny 时间: 2009-3-14 16:23
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作者: GiveItATry 时间: 2009-3-14 20:35
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