Matematika

Pertanyaan

hitung campuran
no 1. 85x6-6210:(-10)
no 2. 12x(-428)-408:3
no 3. -(125:5)+385x5
no 4. (3589-1508)x4

1 Jawaban


  • no 1. 85x6-6210:(-10)
    =[ {85×6} - {6210 : (-10)}]
    = 510 - (-621)
    = 510 + 621
    = 1131

    no 2. 12x(-428)-408:3
    =[{12×(-428)} - {408:3}]
    = - 5136 - 136
    = -5272

    no 3. -(125:5)+385x5
    = -25 + 1925
    = 1900

    no 4. (3589-1508)x4
    =2081 × 4
    =8324

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