Question

Đã trả lời bởi chuyên gia

Answer 1

$\frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 5 \times 15 \times 101 + 50 \times 3 \times 50 \times 202 + 100 \times 5 \times 60 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{15 \times 25 \times 5 \times 101 + 50 \times 30 \times 5 \times 202 + 60 \times 100 \times 5 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020} = 1$ ..

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Answer 2

$\frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 5 \times 15 \times 101 + 50 \times 3 \times 50 \times 202 + 100 \times 5 \times 60 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{15 \times 25 \times 5 \times 101 + 50 \times 30 \times 5 \times 202 + 60 \times 100 \times 5 \times 404} = \frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020} = 1$ ..

Answer 3

Xét 15×25×505+30×50×1010+60×100×2020

=15×25×5x101+30×50×5x202+60×100×5x404

=25×75×101+50×150×202+100×300×404

Vậy $\frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}$

= $\frac{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}$

=1

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Answer 4

Xét 15×25×505+30×50×1010+60×100×2020

=15×25×5x101+30×50×5x202+60×100×5x404

=25×75×101+50×150×202+100×300×404

Vậy $\frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}$

= $\frac{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}$

=1

Answer 5

$\frac{15 \times 25 \times 505 + 30 \times 50 \times 1010 + 60 \times 100 \times 2020}{25 \times 75 \times 101 + 50 \times 150 \times 202 + 100 \times 300 \times 404}$ = 1

3 câu trả lời 203

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