看谁算得又快又准.完成下列的算式.1. four + five

看谁算得又快又准，完成下列的算式。1. four + five = _________________

2. six + fourteen = _________________

3. two + twenty － two = _________________

4. thirty － twenty － six = _________________

试题答案

1. nine 2. twenty 3. twenty-four 4. four