题目内容
选数填空.
40,50,60,70,800,30,20,90,80,420,1,10
( )×( )=800 ( )×( )=2800
( )×( )=4200 ( )×( )=3600
( )×( )=1500 ( )×( )=1800
( )×( )=2100 ( )×( )=64000
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题目内容
选数填空.
40,50,60,70,800,30,20,90,80,420,1,10
( )×( )=800 ( )×( )=2800
( )×( )=4200 ( )×( )=3600
( )×( )=1500 ( )×( )=1800
( )×( )=2100 ( )×( )=64000