选择正确的选项完成下列各题。 |
( ) 1. five + four -__________ = three ( ) 2. seven + __________ -six = nine ( ) 3. __________ + two -eight = four ( ) 4. nine + five -ten = __________ ( ) 5. six + __________ -two = seven ( ) 6. __________ + seven -two = ten | A. four B. six C. five D. eight E. ten F. three |
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试题答案
1. B 2. D 3. E 4. A 5. F 6. C