\(\frac{4}{5}+\frac{34}{5}\)
\(=\frac{4+34}{5}\)
\(=\frac{38}{5}\)
\(=7,6.\)
\(\frac{4}{5}+\frac{34}{5}\)
\(=\frac{4+34}{5}\)
\(=\frac{38}{5}\)
\(=\)\(7,6\)
\(\frac{4}{5}\)+ \(\frac{34}{5}\)= \(\frac{38}{5}\)= 7,6
\(\frac{4}{5}+\frac{34}{5}\)
\(=\frac{4+34}{5}\)
\(=\frac{38}{5}\)
\(=7,6.\)
\(\frac{4}{5}+\frac{34}{5}\)
\(=\frac{4+34}{5}\)
\(=\frac{38}{5}\)
\(=\)\(7,6\)
\(\frac{4}{5}\)+ \(\frac{34}{5}\)= \(\frac{38}{5}\)= 7,6
\(60:5+34:2+120:4=?\)
\(\frac{2}{3}+\frac{4}{2}=?\)
\(\frac{34}{7}x\frac{5}{9}\)
a. viết một bài văn tả về con vật quanh ta
b. \(\frac{43}{34}\)+\(\frac{63}{34}\)
c. \(\frac{42}{5}\)+ \(\frac{42}{8}\)
d. 24 x 4 + 12 - 5 = ?
chúc các bạn có kì nghỉ hè vui vẻ !
Viết tiếp 2 phân số vào dãy : \(\frac{1}{2};\frac{3}{5};\frac{8}{13};\frac{21}{34}......\)
4 x 4 = ?
4 x 1 = ?
4 x 5 = ?
\(\frac{32}{65}\)+ \(\frac{34}{34}\)+ \(\frac{21}{11}\)
4 x 8 = ?
4 x 9 = ?
9 x 9 = ?
\(\frac{32}{72}\)+\(\frac{51}{11}\)+ \(\frac{55}{55}\)
So sánh các phân số sau:
\(\frac{7}{8}\)và \(\frac{8}{7}\);\(\frac{5}{6}\)và \(\frac{6}{5}\);\(\frac{5}{9}\)và\(\frac{6}{9}\);\(\frac{7}{2}\)và\(\frac{5}{2}\);\(\frac{8}{5}\)và\(\frac{8}{9}\);\(\frac{12}{34}\)và\(\frac{12}{45}\)
Tìm x:
\(\frac{x}{17}=\frac{9}{34}\)=1:\(\frac{2}{5}\)
bài 1 : tính phân số:
a) \(\frac{5}{7}+\frac{4}{9}=?;\frac{4}{5}-\frac{2}{3}=?;\frac{9}{11}+\frac{3}{8}=?;\frac{16}{25}-\frac{2}{5}=?\)=?
b)\(5+\frac{3}{5}=?;10-\frac{9}{16}=?;\frac{2}{3}-\left(\frac{1}{6}+\frac{1}{8}\right)=?\)
c)\(\frac{5}{7}+\frac{7}{6}=?;\frac{7}{12}+\frac{17}{18}=?;\frac{9}{8}+\frac{15}{32}=?;4+\frac{35}{45}=?\)
d)\(\frac{11}{4}-\frac{15}{16}=?;\frac{5}{6}-\frac{5}{8}=?;\frac{196}{64}-2=?;3-\frac{13}{9}=?\)
e)\(\frac{8}{5}+\frac{7}{6}+\frac{5}{9}-2=?;3-\frac{5}{6}-\frac{4}{9}+\frac{32}{24}=?\)
\(\frac{1}{2}-\frac{1}{3}-\frac{2}{3}+\frac{1}{4}+\frac{2}{4}+\frac{3}{4}-\frac{1}{5}-\frac{2}{5}-\frac{3}{5}-\frac{4}{5}+...+\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+...+\frac{9}{10}\)\(+\)\(\frac{9}{10}\)