\(x=1\frac{3}{5}=\frac{8}{5}=1,6\) nha bạn .
Đúng 0
Bình luận (0)
0,7:x=0,75-0,5:x
\(\frac{7}{10x}=\frac{3}{4}-\frac{1}{2x}\) .
\(\frac{3}{4}-\frac{1}{2x}=\frac{7}{10x}\) .
\(\frac{3}{4}=\frac{7}{10x}+\frac{1}{2x}\) .
\(\frac{3}{4}=\frac{6}{5x}\) .
\(3\cdot5x=6\cdot4\) .
\(15x=24\) .
\(x=\frac{24}{15}\) .
\(x=\frac{8}{5}=1\frac{3}{5}=1,6\) .
Đúng 0
Bình luận (0)