Q4 of 41 Page 41

let’s write the appropriate number in the following boxes:

A. ? = 0


B. ? + =0


C. × ? = 1


D. -5 × ? = 1


E. × ? = 1


F. =


A. Let the number in the box be x.




B. Let the number be x.




C. Let the number be x.




D. Let the number be x.




E. Let the number be x.




F. Let the number be x.





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