\(12+\frac{4}{12}\times6\)
\(=12+2\)
\(=14\)
\(12+\frac{4}{12}\cdot6=12+\frac{1}{3}\cdot6=12+\frac{6}{3}=12+2=14\)
\(12+\frac{4}{12}\cdot6\)
\(=12+2\)
\(=14\)
\(12+\frac{4}{12}\times6\)
\(=12+2\)
\(=14\)
\(12+\frac{4}{12}\cdot6=12+\frac{1}{3}\cdot6=12+\frac{6}{3}=12+2=14\)
\(12+\frac{4}{12}\cdot6\)
\(=12+2\)
\(=14\)
\(2\frac{4}{3}+\frac{4}{12}\)
kb với mk nha
\(12\frac{4}{5}+\frac{4}{5}\)
kb với mk nha
\(12+9,6\times0,25\)
kb voi mk nha
\(90+87-3\frac{4}{12}\)
kb với mk nha
\(12\frac{3}{7}\%+12\frac{5}{7}\%\)
kb với mk nha
\(2\frac{2}{12}+x=\frac{5}{7}+\frac{8}{12}\)
kb với mk nha và ai nhanh nhất mk k
\(\frac{4}{3\times6}+\frac{4}{6\times9}+\frac{4}{9\times12}+\frac{4}{12\times15}\)
Tính nhanh:\(\frac{1\times2\times3+2\times4\times6+3\times6\times9+4\times8\times12+5\times10\times15}{1\times3\times5+2\times6\times10+3\times9\times15+4\times12\times20+5\times15\times25}-\frac{1+2+3+2+4+6+3+6+9+4+8+12+5+10+15}{1+3+5+2+6+10+3+9+15+4+12+20+5+15+25}\)
\(12\frac{1}{2}\%+x=33\frac{1}{3}\%\)
kb với mk nha ^_^