Pertanyaan

25 ( 1 5 2 ) 3 + ( 10 3 ) 2 ÷ 3 10 = ....

$25 (1 \frac{2}{5})^{3} + (\frac{3}{10})^{2} \div \frac{10}{3} = ....$

6,8627
68,627
686,27
6862,7

A. Nadhira

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Perhatikan bahwa Selanjutnya, dengan Maka

Perhatikan bahwa

$begin mathsize 14px style 1 2 over 5 equals fraction numerator 1 cross times 5 plus 2 over denominator 5 end fraction equals fraction numerator 5 plus 2 over denominator 5 end fraction equals 7 over 5 end style$

Selanjutnya, dengan

Maka

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 25 open parentheses 1 2 over 5 close parentheses cubed plus open parentheses 3 over 10 close parentheses squared divided by 10 over 3 end cell equals cell 25 open parentheses 7 over 5 close parentheses cubed plus open parentheses 3 over 10 close parentheses squared divided by open parentheses 3 over 10 close parentheses to the power of negative 1 end exponent end cell row blank equals cell 25 open parentheses 7 cubed over 5 cubed close parentheses plus open parentheses 3 over 10 close parentheses to the power of 2 minus open parentheses negative 1 close parentheses end exponent end cell row blank equals cell 25 open parentheses 343 over 125 close parentheses plus open parentheses 3 over 10 close parentheses cubed end cell row blank equals cell 343 over 5 plus 3 cubed over 10 cubed end cell row blank equals cell 343 over 5 plus fraction numerator 27 over denominator 1.000 end fraction end cell row blank equals cell fraction numerator 68.600 over denominator 1.000 end fraction plus fraction numerator 27 over denominator 1.000 end fraction end cell row blank equals cell fraction numerator 68.627 over denominator 1.000 end fraction end cell row blank equals cell 68 comma 627 end cell row blank blank blank end table end style$