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幼升小数学口算题：
20以内的不进位加法
(1)16 + 4 =
(2)2 + 10 =
(3)10 + 10 =
(4)17 + 3 =
(5)13 + 2 =
(6)2 + 10 =
(7)9 + 10 =
(8)10 + 4 =
(9)12 + 3 =
(10)8 + 12 =
(11)9 + 10 =
(12)5 + 14 =
(13)15 + 1 =
(14)18 + 1 =
(15)3 + 16 =
20以内的退位减法
(1)16 - 6 =
(2)12 - 3 =
(3)16 - 9 =
(4)17 - 9 =
(5)11 - 9 =
(6)18 - 8 =
(7)11 - 1 =
(8)16 - 7 =
(9)16 - 6 =
(10)14 - 4 =
(11)18 - 8 =
(12)11 - 3 =
(13)17 - 7 =
(14)12 - 6 =
(15)18 - 9 =
20以内的不退位减法
(1)16 - 4 =
(2)12 - 2 =
(3)11 - 1 =
(4)12 - 2 =
(5)14 - 3 =
(6)13 - 2 =
(7)17 - 4 =
(8)18 - 6 =
(9)12 - 1 =
(10)15 - 4 =
(11)17 - 3 =
(12)15 - 5 =
(13)19 - 9 =
(14)15 - 2 =
(15)14 - 1 =
20以内的加减混合
(1)1 - 1 + 16=
(2)18 + 1 - 7=
(3)1 + 9 - 3=
(4)8 - 2 + 1=
(5)1 + 7 - 5=
(6)7 + 8 - 5=
(7)13 - 4 + 10=
(8)9 + 5 - 12=
(9)6 + 10 - 7=
(10)11 - 9 + 1=
(11)5 + 4 - 8=
(12)9 + 1 - 2=
(13)7 + 10 - 5=
(14)9 + 7 - 2=
(15)19 - 19 + 18= |
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