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口算练习 33
1
10-5=
10-
2
10-2=
8+
3
10-6=
10-
4
10-9=
10-
5
10-4=
10-
6
1+9=
1+
1
10-5=
5
10-
5
= 510
-5= 52
10-2=
8
8+
2
= 108
+2= 103
10-6=
4
10-
6
= 410
-6= 44
10-9=
1
10-
9
= 110
-9= 15
10-4=
6
10-
4
= 610
-4= 66
1+9=
10
1+
9
= 101
+9= 10
答案：
1. $10 - 5 = 5$，$10 - 5 = 5$，$10 - 5 = 5$
2. $10 - 2 = 8$，$8 + 2 = 10$，$8 + 2 = 10$
3. $10 - 6 = 4$，$10 - 6 = 4$，$10 - 6 = 4$
4. $10 - 9 = 1$，$10 - 9 = 1$，$10 - 9 = 1$
5. $10 - 4 = 6$，$10 - 4 = 6$，$10 - 4 = 6$
6. $1 + 9 = 10$，$1 + 9 = 10$，$1 + 9 = 10$
综上，答案依次为：$5$，$5$，$10$；$8$，$2$，$8$；$4$，$6$，$10$；$1$，$9$，$10$；$6$，$4$，$10$；$10$，$9$，$1$。
2. $10 - 2 = 8$，$8 + 2 = 10$，$8 + 2 = 10$
3. $10 - 6 = 4$，$10 - 6 = 4$，$10 - 6 = 4$
4. $10 - 9 = 1$，$10 - 9 = 1$，$10 - 9 = 1$
5. $10 - 4 = 6$，$10 - 4 = 6$，$10 - 4 = 6$
6. $1 + 9 = 10$，$1 + 9 = 10$，$1 + 9 = 10$
综上，答案依次为：$5$，$5$，$10$；$8$，$2$，$8$；$4$，$6$，$10$；$1$，$9$，$10$；$6$，$4$，$10$；$10$，$9$，$1$。
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