四年级下暑假园地p63智力乐园ab*ba-----------------------()( )( )( )( )( )----------------------------2( )01
四年级下暑假园地p63智力乐园ab*ba-----------------------()( )( )( )( )( )----------------------------2( )01
四年级下暑假园地p63智力乐园a b
* b a
-----------------------
( )( )( )
( )( )( )
----------------------------
2 ( ) 0 1
参考答案
a b
x b a
-------------------
(5) (1) (1)
(2) (1) (9)
-------------------
2 (7) 0 1
x b a
-------------------
(5) (1) (1)
(2) (1) (9)
-------------------
2 (7) 0 1
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