填一填
8× =480
×6=420
80×O=
× =4900
×3=120
×6=3600
5× =250
× =5600.
表示什么数?
(1)93÷ =188 (2) +65=98
(3)85﹣ =26 (4) ﹣19=31
(5) ×12=84 (6)23× =115
(7)50× =1500 (8) ×19=437
(9)169÷ =13 (10)625÷ =25
(11) ÷26=8 (12) ÷39=12.