Reeves Daniel
03/01/2023 · Senior High School
Сравните: а) \( 20 \% \) от 100 и \( 5 \% \) от 1000 ; б) \( 50 \% \) от 300 000 и \( 150 \% \) от 20000 ; в) \( 10 \% \) от 5,6 и \( 0,1 \% \) от 560 .
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Давайте сравним указанные значения по пунктам.
а) \( 20 \% \) от 100 и \( 5 \% \) от 1000:
\[
20 \% \text{ от } 100 = \frac{20}{100} \times 100 = 20
\]
\[
5 \% \text{ от } 1000 = \frac{5}{100} \times 1000 = 50
\]
Сравниваем: \( 20 < 50 \).
б) \( 50 \% \) от 300 000 и \( 150 \% \) от 20000:
\[
50 \% \text{ от } 300000 = \frac{50}{100} \times 300000 = 150000
\]
\[
150 \% \text{ от } 20000 = \frac{150}{100} \times 20000 = 30000
\]
Сравниваем: \( 150000 > 30000 \).
в) \( 10 \% \) от 5,6 и \( 0,1 \% \) от 560:
\[
10 \% \text{ от } 5,6 = \frac{10}{100} \times 5,6 = 0,56
\]
\[
0,1 \% \text{ от } 560 = \frac{0,1}{100} \times 560 = 0,56
\]
Сравниваем: \( 0,56 = 0,56 \).
Итак, результаты сравнения:
а) \( 20 < 50 \)
б) \( 150000 > 30000 \)
в) \( 0,56 = 0,56 \)
Quick Answer
а) \( 20 \% \) от 100 = 20, \( 5 \% \) от 1000 = 50, \( 20 < 50 \)
б) \( 50 \% \) от 300 000 = 150 000, \( 150 \% \) от 20000 = 30 000, \( 150 000 > 30 000 \)
в) \( 10 \% \) от 5,6 = 0,56, \( 0,1 \% \) от 560 = 0,56, \( 0,56 = 0,56 \)
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