\(\frac{1}{2}.\frac{3}{4}+\frac{1}{2}.\frac{1}{4}-\frac{1}{2}\)
\(=\frac{1}{2}.\left(\frac{3}{4}+\frac{1}{4}-1\right)\)
\(=\frac{1}{2}.\left(1-1\right)\)
\(=\frac{1}{2}.0\)
\(=0\)
\(\frac{1}{2}\times\frac{3}{4}+\frac{1}{2}\times\frac{1}{4}-\frac{1}{2}=\frac{1}{2}\times\left(\frac{3}{4}+\frac{1}{4}-\frac{1}{2}\right)=\frac{1}{2}\times0-0\)
\(\frac{1}{2}\times\frac{3}{4}+\frac{1}{2}\times\frac{1}{4}-\frac{1}{2}\)
\(=\frac{1}{2}\times\left(\frac{3}{4}+\frac{1}{4}-1\right)\)
\(=\frac{1}{2}\times0\)
\(=0\)
_Chúc bạn học tốt_
