Question

So sánh : \(\frac{17}{19}\)và \(\frac{17171718}{19191919}\)

Answer 1

\(\frac{17171718}{19191919}>\frac{17171717}{19191919}=\frac{17.1010101}{19.1010101}=\frac{17}{19}\)

=>\(\frac{17}{19}< \frac{17171718}{19191919}\)\

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Answer 2

Ta có: \(\frac{17171718}{19191919}=\frac{17171717}{19191919}+\frac{1}{19191919}=\frac{17}{19}+\frac{1}{19191919}\)

Vì \(\frac{17}{19}< \frac{17}{19}+\frac{1}{19191919}\)nên \(\frac{17}{19}< \frac{17171718}{19191919}\)

Answer 3

Có : \(\frac{17}{19}=\frac{17.1010101}{19.1010101}=\frac{17171717}{19191919}\)

Vì : 17171717 < 17171718 nên \(\frac{17171717}{19191919}< \frac{17171718}{19191919}\)

Hay : \(\frac{17}{19}< \frac{17171718}{19191919}\)

Answer 4

Giải

Ta có :

\(\frac{17}{19}=\frac{17\times1010101}{19\times1010101}=\frac{17171717}{19191919}\)

Vì \(\frac{17171717}{19191919}< \frac{17171718}{19191919}\) (do có : \(17171717< 17171718\)) \(\Rightarrow\:\frac{17}{19}< \frac{17171718}{19191919}\)

Vậy \(\frac{17}{19}< \frac{17171718}{19191919}\).

Answer 5

                                   \(\text{Bài giải}\)

\(\text{Ta có : }\frac{17}{19}=\frac{17\cdot1010101}{19\cdot1010101}=\frac{17171717}{19191919}< \frac{17171718}{19191919}\)

\(\Rightarrow\text{ }\frac{17}{19}< \frac{17171718}{19191919}\)

\(\text{^_^}\)

Answer 6

Ta có : \(\frac{17}{19}vs\frac{171717}{191919}\)

\(\frac{171717}{191919}=\frac{17.10101}{19.10101}=\frac{17}{19}\)

Vậy \(\frac{171717}{191919}=\frac{17}{19}\)

Answer 7

17/19=17171718/19191919

cho 3k đi

Answer 8

ta có : \(\frac{17171717}{19191919}\)=\(\frac{17\cdot1010101}{19\cdot1010101}\)=\(\frac{17}{19}\)

vì 17171717<17171718 nên \(\frac{17171717}{19191919}\)<\(\frac{17171718}{19191919}\)

hay \(\frac{17}{19}\)<\(\frac{17171718}{19191919}\)

vậy \(\frac{17}{19}\)<\(\frac{17171718}{19191919}\)

chúc bạn học tốt!