Matematika

Pertanyaan

Tolong ya kak^_^
Makasih,,
Tolong ya kak^_^ Makasih,,

0 Comment.

1 Jawaban

  • No. 1
    2 2/4 + 4/9 × 1 3/4
    = 2 1/2 + 4/9 × 7/9
    = 2 1/2 + 28/81
    = 2 81/162 + 56/162
    = 2 137/162

    No. 2
    2 4/7 : 5/6 - 1 2/6
    = 18/7 × 6/5 - 1 1/3
    = 108/35 - 4/3
    = 324/105 - 140/105
    = 184/105

    No. 3
    2 1/9 : (4 2/4 - 2 1/12)
    = 19/9 : (4 6/12 - 2 1/12)
    = 19/9 : 2 5/12
    = 19/9 : 29/12
    = 19/9 × 12/29
    = 19/3 × 4/29
    = 76/87

    No. 4
    1 1/2 × 0,5 + 4/8
    = 3/2 × 1/2 + 1/2
    = 3/4 + 1/2
    = 3/4 + 2/4
    = 5/4
    = 1 1/4

Pertanyaan Lainnya