\(\frac{3}{10}+\frac{7}{10}=\frac{3+7}{10}=\frac{10}{10}=1\)
\(\frac{3}{10}+\frac{7}{10}=\frac{10}{10}=1\)
\(\frac{3}{10}+\frac{7}{10}=\frac{3+7}{10}=\frac{10}{10}=1\)
kick mk đi mk kick lại
\(\frac{3}{10}+\frac{7}{10}=\frac{3+7}{10}=\frac{10}{10}=1\)
\(\frac{3}{10}+\frac{7}{10}=\frac{10}{10}=1\)
\(\frac{3}{10}+\frac{7}{10}=\frac{3+7}{10}=\frac{10}{10}=1\)
kick mk đi mk kick lại
\(\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+\frac{4}{10}+\frac{5}{10}+\frac{6}{10}+\frac{7}{10}+\frac{8}{10}+\frac{9}{10}\)
kb voi mk nha
tính nhanh :
\(\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+\frac{4}{10}+\frac{5}{10}+\frac{6}{10}+\frac{7}{10}+\frac{8}{10}+\frac{9}{10}=???????????\)
\(a,\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+\frac{4}{10}+\frac{5}{10}+\frac{6}{10}+\frac{7}{10}+\frac{8}{10}+\frac{9}{10}\)
\(b,9x\left(\frac{262626}{272727}+\frac{88888}{99999}\right)\)
\(\frac{9}{10}-\left(\frac{2}{5}+\frac{3}{10}\right)+\frac{7}{20}=?\)
\(\frac{10}{10}+\frac{9}{10}+\frac{8}{10}+\frac{7}{10}\)= ???????????
\(\frac{7}{10}+\frac{8}{10}+\frac{9}{10}+\frac{10}{10}=?????\)
\(\frac{7}{10}+\frac{3}{10}\)
thực hiện : \(\frac{3}{10}\)+ \(\frac{6}{10}\)+ \(\frac{2}{5}\)+ \(\frac{7}{10}\)
\(\frac{1}{2}-\frac{1}{3}-\frac{2}{3}+\frac{1}{4}+\frac{2}{4}+\frac{3}{4}-\frac{1}{5}-\frac{2}{5}-\frac{3}{5}-\frac{4}{5}+...+\frac{1}{10}+\frac{2}{10}+\frac{3}{10}+...+\frac{9}{10}\)\(+\)\(\frac{9}{10}\)