Matematika

Pertanyaan

Tolong di bantu kak ,
1 .(3 1/3 + 1 1/5) x ( 4/5 : 1/5) =
2.(2 6/7 + 1 3/4) x (5 1/3 - 2 1/2)=
3. 3 7/4 x 4 1/5 - 2 2/5=
4. 8 1/6 : (2 3/5 + 1 1/3) + 7 1/2=
5. (6 3/4 - 5 3/8) : (15 4/9 - 3 6/7)=

1 Jawaban


  • 1 .(3 1/3 + 1 1/5) x ( 4/5 : 1/5)
    = (10/3 + 11/5) × (4/5 × 5/1)
    = (50+33/15) × 20/5
    = 83/15 × 4
    = 332/15


    2.(2 6/7 + 1 3/4) x (5 1/3 - 2 1/2)=
    =

    3. 3 7/4 x 4 1/5 - 2 2/5=
    4. 8 1/6 : (2 3/5 + 1 1/3) + 7 1/2=
    5. (6 3/4 - 5 3/8) : (15 4/9 - 3 6/7)=

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