\(\frac{50}{25}+\frac{4}{5}=\frac{10}{5}+\frac{4}{5}=\frac{14}{5}\)
\(\frac{50}{25}+\frac{4}{5}\)
\(=\frac{50}{25}+\frac{20}{25}\)
\(=\frac{70}{25}\)
\(=\frac{14}{5}\)
\(k\)\(mk\)\(nha\)\(thank\)\(nha\)
\(\frac{25}{32}\)x\(\frac{8}{50}\)x\(\frac{4}{3}\)x\(\frac{5}{10}\)
lam theo mau:\(\frac{7}{8}\)x\(\frac{4}{7}\)x\(\frac{5}{4}\)=\(\frac{5}{8}\)
\(\frac{25}{32}\)x\(\frac{8}{50}\)x\(\frac{4}{3}\)x\(\frac{5}{10}\)=.............
a/ \(\frac{7x15:25x102}{28x45:100x306}\)
b/ \(\frac{4}{20}+\frac{9}{30}+\frac{16}{40}+\frac{25}{50}+\frac{36}{60}+\frac{49}{70}+\frac{64}{80}\)
có thể rút gọn phân số \(\frac{25}{100}\)về phân số tối giản như sau :
A . \(\frac{25}{100}\)=\(\frac{25:5}{100:5}\)=\(\frac{5}{20}\) B . \(\frac{25}{100}\)=\(\frac{25:25}{100:25}\)=\(\frac{1}{4}\)
C.\(\frac{25}{100}\)=\(\frac{25:5}{100:4}\)=\(\frac{5}{25}\) D. \(\frac{25}{100}\)=\(\frac{25:25}{100:20}\)=\(\frac{1}{5}\)
rút gọn phân số
\(\frac{9}{18}\frac{25}{35}\)
quy đồng phân số
\(\frac{27}{15}v\text{à}\frac{13}{5}\frac{10}{2}v\text{à}\frac{50}{10}\)
ai nhanh mik k cho
Tính bằng cách hợp lý
\(11\frac{4}{5}-\left(17\frac{3}{4}+11\frac{4}{5}\right)+2\frac{3}{4}\)\(4\frac{11}{23}+3\frac{4}{5}-2\frac{11}{23}\)\(\frac{-27}{26}-\frac{-5}{21}+\frac{1}{26}+\frac{16}{21}+50\%\)\(-2\frac{2}{3}+\left(-0,2\right)+1.75-\frac{5}{0}+0,7\)
Tính giá trị biểu thức
\(\frac{1}{10}+\frac{2}{20}+\frac{9}{30}+\frac{16}{40}+\frac{25}{50}+\frac{36}{60}+\frac{49}{70}+\frac{69}{80}+\frac{81}{90}\)
\(\frac{5}{12}:\frac{7}{4}-\frac{25}{18}:\frac{35}{6}=\)
Tinh bang cach thuan tien nhat
\(\frac{12}{25}\) + \(\frac{3}{5}\) + \(\frac{13}{25}\)
\(\frac{3}{2}\)+ \(\frac{2}{3}\)+ \(\frac{4}{3}\)
\(\frac{3}{5}\)+ \(\frac{7}{5}\) + \(\frac{3}{4}\)
