奧數 > 小學試題庫 > 口算題 > 三年級口算題 > 正文
2011-07-20 12:54:21
三年級口算:一位數乘整十數
(1)70 × 5 =
(2)50 × 9 =
(3)10 × 8 =
(4)7 × 30 =
(5)2 × 90 =
(6)70 × 8 =
(7)6 × 20 =
(8)9 × 70 =
(9)2 × 90 =
(10)20 × 1 =
(11)8 × 80 =
(12)60 × 3 =
(13)50 × 4 =
(14)90 × 7 =
(15)6 × 20 =
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