\(\frac{58}{89}\)và \(\frac{36}{53}\)
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11/32=0,34375;16/49=0.3265306122
vay 11/32 > 16/49
58/89=0,6516853933;36/53=0,679246283
vay 58/89 < 36/53
\(\frac{58}{89}\)=0.651685393
\(\frac{36}{53}\)=0.679245283
vì 0.679245283 > 0.651685393
nên\(\frac{58}{89}\)<\(\frac{36}{53}\)
Ta có 58 x 53 = 3074
mà 36 x 89 = 3204
Vì 3074 < 3204
=) 58/89 < 36/53
\(\frac{58}{89}\)& \(\frac{36}{53}\)
Ta có :
\(\frac{58}{89}\)= \(\frac{58.53}{89.53}\)=\(\frac{3074}{4717}\) ; \(\frac{36}{53}\)=\(\frac{36.89}{53.89}\)=\(\frac{3204}{4717}\)
Vậy \(\frac{58}{89}\)< \(\frac{36}{53}\)
\(\frac{58}{63}\)& \(\frac{36}{55}\)
Ta có:
\(\frac{58}{63}\)=\(\frac{58.55}{63.55}\)=\(\frac{3190}{3465}\) ; \(\frac{36}{55}\)=\(\frac{36.63}{55.63}\)=\(\frac{2268}{3465}\)
Vậy \(\frac{58}{63}\)> \(\frac{36}{55}\)
\(\frac{12}{47}>\frac{12}{48}=\frac{1}{4}\)
\(\frac{19}{77}< \frac{19}{76}=\frac{1}{4}\)
\(\Rightarrow\frac{12}{47}>\frac{19}{77}\)
\(\frac{58}{89}< \frac{58}{87}=\frac{2}{3}\)
\(\frac{36}{53}>\frac{36}{54}=\frac{2}{3}\)
\(\Rightarrow\frac{58}{89}< \frac{36}{53}\)
\(\frac{58}{89}\)\(< \)\(\frac{36}{53}\)
58/89<36/53