四年级口算题:整十数除几百几十数
(1)720 ÷ 90 = (2)980 ÷ 20 = (3)900 ÷ 50 = (4)960 ÷ 60 = (5)300 ÷ 30 = (6)450 ÷ 90 = (7)810 ÷ 90 = (8)680 ÷ 10 = (9)780 ÷ 60 = (10)540 ÷ 90 = (11)600 ÷ 50 = (12)340 ÷ 10 = (13)660 ÷ 60 = (14)510 ÷ 30 = (15)930 ÷ 30 = |
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