Matematika

Pertanyaan

A. 7 (1 per 3) -6 (7 per 8)
B. 4 per 8+ 11 per 18+ 5 per 27 - 4 (2 per 3)
C. 7 per 30+ 3 per 20- 4 (1 per 4)

TOLONG DI JAWAB YA!!!

1 Jawaban

  • a) 7 1/3 - 6 7/8 = 22/3 - 55/8 = 176/24 - 165/24 = 11/24
    b) 4/8 + 11/8 + 5/27 - 4 2/3
    = 15/8 + 5/27 - 14/3
    = 15/8 + 5/27 - 126/27
    = 15/8 - 121/27
    = (15.27 - 121.8)/8.27
    = (305 - 969)/216
    = -664/216
    = -3 16/216
    = -3 2/27
    d) 7/30 + 3/20 - 4 1/4
    = 7/30 + 3/20 - 17/4
    = 14/60 + 9/60 - 225/60
    = -202/60
    = -101/30
    = -3 11/30

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