adrianayepez8
03.02.2020 •
Mathematics
There are 6 people at a party. if every person has to shake everyone's hand exactly once, how many handshakes is there all together?
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Ответ:
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Ответ:
B C D E F
C D E F
D E F
E F
F
Idk i got 20. Because if there are 6 people (i labeled them A B C D E and F) and then you match them up like this, you get 20
Ответ:
8. is B because the car that drove by was red
9. is C because the chicken crossed the road