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pls dong dua2 nya, lagi buru2 bgt nih
pls dong dua2 nya, lagi buru2 bgt nih

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  • diket:R1:10
    R2:15
    R3:30
    R4:20
    ditannya:R..?
    jwb:rp:1/10+1/15+1/30
    3/30+2/30+1/30
    6/30
    =5
    rs:20+5
    25

    diket:r1:5
    r2:8
    r3:8
    r4:4
    ditanya:r...?
    jwb:rs:5+8
    13
    rp:1/8+1/4
    1/8+2/8
    3/8
    13+3/8
    13 3/8

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