二年级口算题:9以内的乘除法 (1)42 ÷ 7 = (2)5 × 2 = (3)8 × 2 = (4)35 ÷ 5 = (5)9 ÷ 3 = (6)5 × 4 = (7)9 × 3 = (8)40 ÷ 5 = (9)18 ÷ 6 = (10)7 × 9 = (11)48 ÷ 6 = (12)6 ÷ 1 = (13)27 ÷ 9 = (14)30 ÷ 6 = (15)6 × 9 =