2011/12/07

填一填:

填一填:
1.  (          ) ÷ 9 = 77
2.  72 ÷ (          ) = 9
3.  (          ) - 1256 = 4766
4.  (          ) X 6 = 216
5.  (          ) + 925 = 7243
6.  0 = 109 X (          )

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