四年级口算题:整十数除整十数
奥数网
2010-08-18 16:50:15
四年级口算题:整十数除整十数
(1)80 ÷ 20 =
(2)80 ÷ 20 =
(3)80 ÷ 40 =
(4)80 ÷ 40 =
(5)60 ÷ 30 =
(6)60 ÷ 30 =
(7)80 ÷ 40 =
(8)60 ÷ 30 =
(9)40 ÷ 20 =
(10)60 ÷ 30 =
(11)20 ÷ 10 =
(12)40 ÷ 20 =
(13)80 ÷ 40 =
(14)80 ÷ 40 =
(15)60 ÷ 30 =