Matematika

Pertanyaan

B.3per 6+5per6
C.2 1per3+3per4
D.2per3+3 5per9
E.2per3+ 2 1per2+3 1per4

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2 Jawaban

  • b. 3/6 + 5/6 = 8/6 = 1 2/6 = 1 1/3
    c. 2 1/3 + 3/4 = 7/3 + 3/4 = ((7*4)+(3*3))/12 = (28+9)/12 = 37/12 = 3 1/12
    d. 2/3 + 3 5/9 = 2/3 + 32/9 = ((3*2)+(32))/9 = (6+32)/9 = 38/9 = 4 2/9
    e. 2/3 + 2 1/2 + 3 1/4 = 2/3 + 5/2 + 13/4 = ((4*2)+(6*5)+(3*13))/12 = (8+30+39)/12 = 77/12 = 6 5/12

  • b. 3/6 + 5/6= 8/6= 4/3= 1 1/3
    c. 7/3 + 3/4= 28/12+9/12= 37/12= 3 1/12
    d. 2/3 + 32/9= 6/9 + 32/9= 38/9= 4 2/9
    e. 2/3 + 5/2 + 13/4= 8/12+ 30/12+39/12
    = 77/12= 6 5/12

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