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sin91
11.07.2019 •
Mathematics
There are nine students in the chess club the club moderator select three of them to go to a chess tournament and how many ways can she choose three of the nine students
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Ответ:
apex: 84
Step-by-step explanation:
Ответ:
84
Step-by-step explanation:
Ответ:
hope this helped
Step-by-step explanation:
54-x+15x=49x+14
54+14x=49x+14
40=35x
40/35=x