12-6=6

bằng 6 nhé

12 - 6 = 6

\(\frac{2^{19}.27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}}\)

\(=\frac{2^{19}.\left(3^3\right)^3+3.5.\left(2^2\right)^9.\left(3^2\right)^4}{\left(2.3\right)^9.2^{10}+\left(2^2.3\right)^{10}}\)

\(=\frac{2^{19}.3^9+3.5.2^{18}.3^8}{2^9.3^9.2^{10}+2^{20}.3^{10}}\)

\(=\frac{2^{19}.3^9+2^{19}.3^9.5}{2^{19}.3^9+2^{20}.3^{10}}\)

\(=\frac{2^{19}.3^9.\left(1+5\right)}{2^{19}.3^9\left(1+2.3\right)}\)

\(=\frac{6}{7}\)

\(\frac{6}{7}\)

\(\frac{\left(-11\right)^5.13^7}{11^5.13^8}=\frac{\left(-11\right)^5.13^7}{11^5.13^7}.\frac{1}{13}=-1.\frac{1}{13}=-\frac{1}{13}\)

(-11)⁵x13⁷/11⁵.13⁸=-1/13⁸

Chúc bạn học giỏi nha!!!

\(\frac{\left(-1\right).1}{1.13}=\frac{\left(-1\right)}{13}\)

\(\frac{10200}{20500}=\frac{102}{205}\)

\(\frac{10200}{20500}=\frac{102\times100}{205\times100}\)

             \(=\frac{102}{205}\)

Tham khảo nhé~

\(\frac{10200}{20500}=\frac{102\times100}{205\times100}=\frac{102}{205}\)

61/101

61/101 hay0.6

3050/5050=3050:50/5050:50=61/101

                   Đáp số : 61/101

bạn phải cho mình biết là những phân số nào chứ!!!!

2/3 nhé

I DON'T NO

ko thì thôi

3/5

\(\dfrac{12}{20}=\dfrac{12:4}{20:4}=\dfrac{3}{5}\)

12/20=3/5