Matematika

Pertanyaan

Tentukan hasil menggunakan hiking distributif!

4 × 2/7 + 4 × 5/7?
7 × 2/9 - 5 × 4/9?

1 Jawaban

  • 4 × 2/7 + 4 × 5/7
    = ( 4 x 2/7 ) + ( 4 x 5/7 )
    = 4 x ( 2/7 + 5/7 )
    = 4 x (7/7)
    = 4 x 1
    = 4

    7 × 2/9 - 5 × 4/9
    = ( 7 x 2/9 ) - ( 5 x 4/9 )
    = 1/9 ( (7 x 2) - (5 x 4) )
    = 1/9 ( 14 - 20 )
    = 1/9 ( - 6 )
    = - 6/9
    = - 2/3

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