Matematika

Pertanyaan

tolong jawabya no 3,4,5
tolong jawabya no 3,4,5

1 Jawaban

  • ( -23 + 11 ) : ( -8 + 6 )
    -12 : -2
    6

    10,4 - 3 4/5 + 3/8
    10 2/5 - 3 4/5 + 3/8
    52/5 - 19/5 + 3/8
    416/40 - 152/40 + 15/40
    279/40
    6 39/40

    2 1/4 × 3/5 : 0,5
    2 1/4 × 3/5 : 1/2
    9/4 × 3/5 × 2/1
    54/20
    27/10
    2 7/10