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Hasil dari −341​+3(52​:43​)​=​​...

Pertanyaan

Hasil dari table attributes columnalign right center left columnspacing 0px end attributes row cell negative 3 1 fourth plus 3 open parentheses 2 over 5 colon 3 over 4 close parentheses end cell equals blank end table... 

  1. 97 over 20 

  2. 33 over 20 

  3. 26 over 20 

  4. negative 25 over 20 

  5. negative 33 over 20 

S. Amamah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

jawaban yang benar adalah E.

Pembahasan

Ingat kembali konsep pecahan:

table attributes columnalign right center left columnspacing 0px end attributes row cell a over b plus c over b end cell equals cell fraction numerator a plus c over denominator b end fraction end cell row cell a over b colon c over d end cell equals cell a over b cross times d over c end cell row cell a b over c end cell equals cell fraction numerator a b plus c over denominator c end fraction end cell end table 

Dahulukan operasi di dalam kurung, kemudian perkalian dan selanjutnya penjumlahan seperti berikut:  

table attributes columnalign right center left columnspacing 0px end attributes row cell negative 3 1 fourth plus 3 open parentheses 2 over 5 colon 3 over 4 close parentheses end cell equals cell negative 3 1 fourth plus 3 open parentheses 2 over 5 cross times 4 over 3 close parentheses end cell row blank equals cell negative 3 1 fourth plus 3 open parentheses 8 over 15 close parentheses end cell row blank equals cell negative 3 1 fourth plus fraction numerator 3 cross times 8 over denominator 15 end fraction end cell row blank equals cell negative 3 1 fourth plus 8 over 5 end cell row blank equals cell negative fraction numerator open parentheses 4 cross times 3 close parentheses plus 1 over denominator 4 end fraction plus 8 over 5 end cell row blank equals cell negative 13 over 4 plus 8 over 5 end cell row blank equals cell negative fraction numerator 13 cross times 5 over denominator 4 cross times 5 end fraction plus fraction numerator 8 cross times 4 over denominator 5 cross times 4 end fraction end cell row blank equals cell negative 65 over 20 plus 32 over 20 end cell row blank equals cell negative 33 over 20 end cell end table     

Hasil dari table attributes columnalign right center left columnspacing 0px end attributes row cell negative 3 1 fourth plus 3 open parentheses 2 over 5 colon 3 over 4 close parentheses end cell equals cell negative 33 over 20 end cell end table.

Oleh karena itu, jawaban yang benar adalah E.

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