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2010-08-18 16:49:10
四年级口算题:整十数除三位数
(1)800 ÷ 40 =
(2)900 ÷ 90 =
(3)450 ÷ 30 =
(4)710 ÷ 10 =
(5)480 ÷ 40 =
(6)810 ÷ 30 =
(7)900 ÷ 90 =
(8)800 ÷ 80 =
(9)200 ÷ 20 =
(10)560 ÷ 20 =
(11)870 ÷ 30 =
(12)720 ÷ 60 =
(13)960 ÷ 80 =
(14)720 ÷ 30 =
(15)700 ÷ 70 =