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Pertanyaan

( 1 4 3 ​ ) 5 × ( 1 4 3 ​ ) 2 ÷ ( 1 4 3 ​ ) 4 = ....

  1. begin mathsize 14px style 5 23 over 64 end style 

  2. size 14px 4 size 14px 21 over size 14px 64

  3. begin mathsize 14px style 3 19 over 64 end style

  4. size 14px 2 size 14px 17 over size 14px 64

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N. Indah

Master Teacher

Mahasiswa/Alumni Universitas Diponegoro

Jawaban terverifikasi

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Pembahasan

Perhatikan bahwa Selanjutnya, dengan Maka

Perhatikan bahwa

begin mathsize 14px style 1 3 over 4 equals fraction numerator 1 cross times 4 plus 3 over denominator 4 end fraction equals fraction numerator 4 plus 3 over denominator 4 end fraction equals 7 over 4 end style

Selanjutnya, dengan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses straight a over straight b close parentheses to the power of straight n end cell equals cell straight a to the power of straight n over straight b to the power of straight n end cell row cell straight a to the power of straight m cross times straight a to the power of straight n end cell equals cell straight a to the power of straight m plus straight n end exponent end cell row cell straight a to the power of straight m divided by straight a to the power of straight n end cell equals cell straight a to the power of straight m minus straight n end exponent end cell end table end style 

Maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses 1 3 over 4 close parentheses to the power of 5 cross times open parentheses 1 3 over 4 close parentheses squared divided by open parentheses 1 3 over 4 close parentheses to the power of 4 end cell equals cell open parentheses 7 over 4 close parentheses to the power of 5 cross times open parentheses 7 over 4 close parentheses squared divided by open parentheses 7 over 4 close parentheses to the power of 4 end cell row blank equals cell open parentheses 7 over 4 close parentheses to the power of 5 plus 2 minus 4 end exponent end cell row blank equals cell open parentheses 7 over 4 close parentheses cubed end cell row blank equals cell 7 cubed over 4 cubed end cell row blank equals cell 343 over 64 end cell row blank equals cell 5 23 over 64 end cell end table end style

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( − 2 3 1 ​ ) 5 × ( − 2 3 1 ​ ) 2 ÷ ( − 2 3 1 ​ ) 4 = ....

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