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January 7th, 2009
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µ¹×Å¿´Ëãʽ18+81=99 µÚÒ»¸ö¿ÕÌí6
9+9=18 µÚ¶þ¸ö¿ÕÌí8
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6
8
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6
8
(1)
18+81=( )6
=18+81/6
=16.5
(2)
6+6=( )1
=6+6/1
=12
Õâ¸ö¾ÍµÈÓÚÊýѧÀïµÄ·½³ÌÎÊÌâ¡£
16.5
12
6
8
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