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\(C=\frac{25^{28}+25^{24}+...+25^4+25^0}{25^{30}+25^{28}+...+25^2+25^0}\)= ?
Rút gọn A=\(\frac{25^{28}+25^{24}+...+25^4+25^0}{25^{30}+25^{28}+...+25^2+25^0}\)
\(C=\frac{25^{28}+25^{24}+...+25^4+25^0}{25^{30}+25^{28}+...+25^2+25^0}\)
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2528+2524+...+254+250
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2530+2528+...252+250
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\(A=\frac{25^{28}+25^{24}+25^{20}+...+25^4+1}{25^{30}+25^{28}+25^{26}+...+25^2+1}\)
Rút gọn \(\frac{25^{28}+25^{24}+25^{20}+...+25^4+1}{25^{30}+25^{28}+25^{26}+...+25^4+25^2+1}\)
\(A=\frac{25^{28}+25^{24}+25^{20}+...+25^4+1}{25^{30}+25^{28}+25^{26}+...+25^2+1}\)
Rút gọn phân số sau: \(\frac{24^{28}+25^{24}+...+25^4+1}{25^{30}+25^{28}+...+25^2+1}\)
25^28+25^24+25^20+...+25^4+1/25^30+25^28+25^26+...+25^2+1