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The new time and space of the sixth grade winter vacation
P4 1:( 1)7 and 25 (2) 5 and 17 5 (3)6 and 39 6.

p42:cbbcc

P47: 1, 4 of 1.2, 5 of 3 of 24, 4 of 1 1.

P52: 1 omitted 2. How many meters did you walk? A: 400 3, how high is it? A: 7cm 4, how many people? Answer: 2 1,

Three big boats and five small boats.

P58: 12 Omit 3,204,85,3,246066,4025015060.

P59: 1,9462.52,c 188.4s 2826 c 127. 1s 79 1.253, 1.62 10,78,54,66%。

Right, wrong, right, wrong, wrong.

P63: Well, just write something like this: Archimedes is really great, and we should learn from him.

P64: 8/3, 2004,16,4800 in 2002 and 2005, 2004 and 2005 are all squares, pentagrams and triangles with 36 decimal places.

P65: 1 slightly 4720 yuan 4300001.9m.

I spent the whole afternoon. It's no fun without a reward.