Matematika

Pertanyaan

nomor 17-18 tolong ya...
nomor 17-18 tolong ya...

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  • No 17
    30 + 10 = 20 + 15 + x
    40 = 35 + x
    x = 40 - 35
    x = 5

    No 18
    25 + i = 20 + 15 + 3
    25 + i = 38
    i = 38 - 25
    i = 13

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