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next lavender2010-01-27 03:01:15 +0000 #1
with 9 coins, including one points, five points, an angle and angle of four five, and at least one of each coin, if the nine coins worth 1.77 yuan, then there must be five sub-coins a few? A 1 B 2 C 3 D 4
God of War shooter2010-01-27 03:07:33 +0000 #2
because there are at least one of each coin, so first remove the four coins in each one, it becomes a 5 coin total value of 1.11 yuan, of which only a sub-1 minute by a coin composition, removing the sub becomes a four coins worth 1.1 yuan, 1.1 yuan in the five angle certainly two coins because no matter is 0, 1 or 3 5 angle are inappropriate, totally not a problem that is exceeded, so that they become two coins worth 0.1 yuan, apparently formed by two 5 minutes, so a total of five sub-coins 3



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