Matematika

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mohon bantuannya kakak....???
mohon bantuannya kakak....???

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  • 3 1/4 ÷ 2 3/4 + 2 1/2
    = (13/4 ÷ 11/4) + 5/2
    = (13/4 x 4/11) + 5/2
    = 13/11 + 5/2
    = 26/22 + 55/22
    = 81/22
    = 3 15/22 ( D)

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