问题 填空题 数一数，写出英文数字。1. △ △ △ + △△△△ = _____________2. + = _____________3. ○ ○ ○ ○ + ○ = _____________4. ／／／+ ／／／／／= _____________ 答案 1. seven 2. six 3. five 4. eight
+ 
= _____________