问题 填空题

用英文写出下列算式。

1. 2  +  3  =  5                        2. 1  +  7  =  8 

                                                                     

3. 4  +  5  =  9                        4. 10    6 = 4

                                                                     

答案

1. two + three = five    2. one + seven = eight      

3. four + five = nine     4. ten - six = four

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