Matematika

Pertanyaan

tolong caranya saja
tolong caranya saja

1 Jawaban

  • KOMUTATIF
    1.) 14 + ( - 43 ) = - 43 + 14 = - 29
    2.) 234 + ( - 363 ) = - 363 + 234 = - 129
    3.) 41 × ( - 22 ) = - 22 × 41 = - 902
    ASOSIATIF
    1.) - 134 + ( 122 + 64 ) = ( - 134 + 122 ) + 64
    = - 12 + 64 = 52
    2.) 4 × ( - 10 × 6 ) = ( 4 × ( - 10 )) × 6
    = - 40 × 6 = - 240
    3.) 21 × ( - 7 × ( - 70 )) = ( 21 × ( - 7 )) × ( - 70
    = - 147 × ( - 70 ) = 10.290
    DISTRIBUTIF
    1.) - 5 × ( 18 - 12 ) = ( - 5 × 18 ) - ( - 5 × 12 )
    = - 90 - ( - 60 ) = - 30
    2.) 14 × ( - 7 + 6 ) = ( 14 × ( - 7 ) + ( 14 × 6 )
    = - 98 + 84 = - 14
    3.) 6 × ( 19 - ( -13 )) = ( 6 × 19 ) - ( 6 × ( - 13 ))
    = 114 - ( - 78 ) = 192

    maaf yg nomor terakhir nggak kejawab soalnyaa bingunung dan maaf kalau salah di cari lagi. : )