题目内容
Think, count and write. 算一算，写一写。
1. Twenty + ten ÷ five =
2. Thirty － twelve =
3. Six × three + five =
4. Fifteen － four =
5. Twenty － seven － eight =
2. Thirty － twelve =
3. Six × three + five =
4. Fifteen － four =
5. Twenty － seven － eight =
1. twenty-two 2. eighteen 3. twenty-three 4. eleven 5. five
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