Matematika

Pertanyaan

tolong yaa no. 8.
pake cara yaa..
makasii:)
tolong yaa no. 8. pake cara yaa.. makasii:)

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1 Jawaban

  • U9 = 9(2.9 - 1) = 9(18-1) = 9(17) = 153
    U7 = 7(2.7 - 1) = 7(14-1) = 7(13) = 91
    U9 - U7 = 153 - 91 = 62

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