算一算,写出阿拉伯数字。 |
1. eleven + eight = _____________ 3. nine + thirteen = _____________ 5. eighteen + twenty = _____________ | 2. five + fourteen = _____________ 4. three + nine = _____________ 6. twelve - two = _____________ |
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试题答案
1. 19 2. 19 3. 22 4. 12 5. 38 6. 10