网址:http://m.1010jiajiao.com/timu3_id_576391[举报]
( )里填几?
56÷( )=7 6×( )=18 6×( )=54
35÷( )=7 45÷( )=5 10÷( )=2
4×( )=28 ( )×5=45 3×( )=9