Matematika

Pertanyaan

Hitunglah hasil pengurangan pecahan berikut ini.
A.7/12-2/3
B.3/4-(2/3-1/6)
C.5 1/2-2 2/5
D.(5 1/5-2 2/3)-2 3/4

1 Jawaban

  • A. 7/12-2/3
    =7/12-8/12
    =-1/12

    B. 3/4-(2/3-1/6)
    =2/3-1/6
    = 4/6-1/6
    = 3/6
    = 3/4-3/6
    = 9/12-6/12
    = 3/12 = 1/4

    C.5 1/2-2 2/5
    = 1/2-2/5
    = 5/10-4/10
    = 1/10
    5-2 = 3
    = 3 1/10

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