If there were 30 people and they took handshake with each other how much handshake will be there

Question

If there were 30 people and they took handshake with each other how much handshake will be there

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Valentina 1 month 2021-08-20T17:47:22+00:00 2 Answers 1 views 0

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    0
    2021-08-20T17:48:46+00:00

    Answer:

    Step-by-step explanation:870

    0
    2021-08-20T17:49:10+00:00

    Answer:

    30

    Step-by-step explanation:

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18:9+8+9*3-7:3-1*13 = ? ( )