Các câu hỏi tương tự
Bài: Rút gọn phân số
a) \(\frac{3^{10}.\left(-5\right)^{21}}{\left(-5\right)^{20}.3^{12}}\) c)\(\frac{2^{10}.3^{10}-2^{10}.3^9}{2^9.3^{10}}\)
b)\(\frac{-11^5.13^7}{11^5.13^8}\) d)\(\frac{5^{11}.7^{12}+5^{11}.7^{11}}{5^{12}.7^{12}+9.5^{11}.7^{11}}\)
Rút gọn:
a) \(\frac{3^{10}.\left(-5\right)^{21}}{\left(-5\right)^{20}.3^{12}}\)
b) \(\frac{-11^5.13^7}{11^5.13^8}\)
c) \(\frac{2^{10}.3^{10}-2^{10}.3^9}{2^9.3^{10}}\)
d) \(\frac{5^{11}.7^{12}+5^{11}.7^{11}}{5^{12}.7^{12}+9.5^{11}.7^{11}}\)
Rút gọn phân số sau
\(\frac{1989.1990+3978}{1992.1991+3984}\)
\(\frac{3^{10}.\left(-5\right)^{21}}{\left(-5\right)^{20}.3^{12}}\) \(\frac{-11^5.13^7}{11^5.13^8}\)
\(\frac{2^{10}.3^{10}-2^{10}.3^9}{2^9.3^{10}}\)
a,\(\frac{3^{10}\times(-5)^{21}}{\left(-5\right)^{20}\times3^{12}}\)
b,\(\frac{\left(-11\right)^5\times13^7}{11^5\times13^8}\)
c,\(\frac{2^{10}\times3^{10}-2^{10}\times3^9}{2^9\times3^{10}}\)
d,\(\frac{5^{11}\times7^{12}+5^{11}\times7^{11}}{5^{12}\times7^{12}+9\times5^{11}\times7^{11}}\)
Bài trên là bài rút gon phân số
Bài 1 : Thưc Hiên Phep tínha, Afrac{5}{3}+frac{5}{7}+frac{-20}{41}+frac{8}{13}+frac{-21}{41}b, Bfrac{5}{7}.frac{2}{11}+frac{5}{7}.frac{12}{11}-frac{5}{7}.frac{7}{11}c, Gfrac{left(-2right)}{3}+frac{left(-5right)}{7}+frac{2}{3}+frac{left(-2right)}{7}e, Hfrac{left(-5right)}{7}.frac{2}{11}+frac{left(-5right)}{7}.frac{9}{11}g, Nfrac{-5}{13}+frac{5}{7}+frac{20}{41}+frac{-8}{13}+frac{21}{41}j, Efrac{5}{7}.frac{12}{11}+frac{5}{7}.frac{12}{11}-frac{5}{7}.frac{17}{11}
Đọc tiếp
Bài 1 : Thưc Hiên Phep tính
a, \(A=\frac{5}{3}+\frac{5}{7}+\frac{-20}{41}+\frac{8}{13}+\frac{-21}{41}\)
b, \(B=\frac{5}{7}.\frac{2}{11}+\frac{5}{7}.\frac{12}{11}-\frac{5}{7}.\frac{7}{11}\)
c, \(G=\frac{\left(-2\right)}{3}+\frac{\left(-5\right)}{7}+\frac{2}{3}+\frac{\left(-2\right)}{7}\)
e, \(H=\frac{\left(-5\right)}{7}.\frac{2}{11}+\frac{\left(-5\right)}{7}.\frac{9}{11}\)
g, \(N=\frac{-5}{13}+\frac{5}{7}+\frac{20}{41}+\frac{-8}{13}+\frac{21}{41}\)
j, \(E=\frac{5}{7}.\frac{12}{11}+\frac{5}{7}.\frac{12}{11}-\frac{5}{7}.\frac{17}{11}\)
Rút gọn phân số:
\(\frac{\left(-11\right)^5.13^7}{11^5.13^8}\)
Ai nhanh nhất mk tick cho, ai tl rùi thì kb với mk nha^^
rút gọn
\(\frac{5^{11}.7^{12}+5^{11}.7^{11}}{5^{12}.7^{12}+9.5^{11}.7^{11}}\)
Rút gọn:
\(\frac{5^{11}.7^{12}+5^{11}.7^{11}}{5^{12}.7^{12}+9.5^{11}.7^{11}}\)
Rút gọn:
\(\frac{5^{11}.7^{12}+5^{11}.7^{11}}{5^{12}.7^{11}+9.5^{11}.7^{11}}\)