Matematika

Pertanyaan

tolong dibantu,harus make cara

7.3 1/3 + 4/6 +6 3/5=
8.2 2/4 + 5 1/3 +3/8=
9.4 3/4 +2 1/3 +1 1/2=
10.8 1/2 +3 1/4 +4 1/6=

1 Jawaban

  • 7.
    3 1/3 + 4/6 + 6 3/5
    (3+6) + (10/30 + 20/30 + 18/30)
    9 + 48/30
    = 10 18/30

    = 10 3/5

    8.
    2 2/4 + 5 1/3 + 3/8
    (2+5) + ( 12/24+8/24+9/24)
    7 + 29/24
    8 5/24

    9.
    4 3/4 +2 1/3 + 11/2
    (4+2) + (9/12+4/12+66/12)
    6+ 79/12
    12 7/12

    10.
    8 1/2 + 3 1/4 + 4 1/6
    (8+3+4) + (6/12 + 3/12 + 2/12)
    15 11/12

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