Các câu hỏi tương tự
\(\frac{-3}{27}+\frac{56}{88}\)
\(\frac{-24}{54}+\frac{35}{-126}\)
tính tổng rồi rút gọn
\(\frac{16}{15}\cdot\frac{-5}{14}\cdot\frac{54}{24}\cdot\frac{56}{21}\)
tìm các tích sau: a) \(\frac{16}{15}.\frac{-5}{14}.\frac{54}{24}.\frac{56}{21}\) b) \(\frac{7}{3}.\frac{-5}{2}.\frac{15}{21}.\frac{4}{-5}\)
a=\(\frac{3}{54}+\frac{5}{126}+\frac{7}{294}+\frac{8}{609}+\frac{13}{1218}\)
chứng minh rằng các phân số sau đây bằng nhau :
a\(\frac{41}{88};\frac{4141}{8888};\frac{414141}{888888}\)
b\(\frac{27425-27}{x99900};\frac{27425425-27425}{99900000}\)
c\(\frac{29700-54}{x30800-56};\frac{59400-108}{61600-112}\)
\(\frac{\frac{3}{67}\left(17\frac{21}{56}-13\frac{21}{45}\right):\left(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\right)}{\left(29^3:100-29^3:0,47\right)}\)
\(\frac{3}{54}+\frac{5}{126}+\frac{7}{294}+\frac{8}{609}\)
tính bằng cách hợp lý
\(\frac{3}{54}+\frac{5}{126}+\frac{7}{294}\) chia \(\frac{5}{24}+\frac{5}{104}+\frac{5}{234}\)
thục hiện dãy tính :
\(\frac{\frac{3}{67}.\left(17\frac{21}{56}-13\frac{21}{45}\right):\left(\frac{3}{5.22}+\frac{54}{44.65}+\frac{18}{65.72}\right)}{29^3:100-29^3:0,47}\)
help me