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5.
答案：
5. 1 2
6. 下一个该穿什么珠子？先画一画，再数一数。
(
(
(
4
)个(
5
)个
答案：
6. 画图略 4 5
三、看图写算式。
答案：
三、1. 2 + 3 = 5
2. 5 - 2 = 3
3. 2 + 2 = 4
4. 5 - 4 = 1
2. 5 - 2 = 3
3. 2 + 2 = 4
4. 5 - 4 = 1
四、看谁算得又对又快。
2 + 3 =
4 - 2 =
0 + 2 =
5 - 1 =
5 - 0 =
3 + 1 =
4 - 3 =
0 + 0 =
5 - 5 =
5 - 2 =
5 - 4 =
4 - 4 =
2 + 2 =
4 - 1 =
1 + 4 =
5 - 3 =
3 - 2 =
2 + 1 =
2 - 1 =
0 + 4 =
2 + 3 =
4 - 2 =
0 + 2 =
5 - 1 =
5 - 0 =
3 + 1 =
4 - 3 =
0 + 0 =
5 - 5 =
5 - 2 =
5 - 4 =
4 - 4 =
2 + 2 =
4 - 1 =
1 + 4 =
5 - 3 =
3 - 2 =
2 + 1 =
2 - 1 =
0 + 4 =
答案：
四、5 2 2 4
5 4 1 0
0 3 1 0
4 3 5 2
1 3 1 4
5 4 1 0
0 3 1 0
4 3 5 2
1 3 1 4
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