四年級(jí)口算題:整十?dāng)?shù)除三位數(shù)
?。?)800 ÷ 40 = (2)900 ÷ 90 = ?。?)450 ÷ 30 = (4)710 ÷ 10 = ?。?)480 ÷ 40 = (6)810 ÷ 30 = ?。?)900 ÷ 90 = ?。?)800 ÷ 80 = (9)200 ÷ 20 = ?。?0)560 ÷ 20 = (11)870 ÷ 30 = ?。?2)720 ÷ 60 = ?。?3)960 ÷ 80 = ?。?4)720 ÷ 30 = (15)700 ÷ 70 = |
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