奥数 > 小学试题库 > 口算题 > 一年级口算题 > 正文
2010-08-18 14:24:47
小学一年级口算题:两位数减整十数的减法
(1)22 - 10 =
(2)48 - 10 =
(3)50 - 10 =
(4)23 - 20 =
(5)86 - 40 =
(6)53 - 30 =
(7)45 - 20 =
(8)89 - 30 =
(9)33 - 10 =
(10)13 - 10 =
(11)12 - 10 =
(12)89 - 70 =
(13)79 - 60 =
(14)67 - 40 =
(15)36 - 30 =
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