Rút gọn :
\(\frac{23.5-23}{4-7}=\frac{23.\left(5-1\right)}{-3}=\frac{23.4}{-3}=\frac{92}{-3}\)
ĐS :...
\(\frac{23\cdot5-23}{4-7}=\frac{115-23}{-3}=-\frac{92}{3}\)
Đ/s: ...
=\(\frac{23\left(5-1\right)}{4-7}=\frac{23.4}{4-7}=\frac{92}{-3}\)
\(\frac{23.5-23}{4-7}=\frac{23.\left(5-1\right)}{-3}=\frac{23.4}{-3}=\frac{92}{-3}\)
Rút gọn:
\(\frac{23.5-23}{4-7}=\frac{92}{-3}\) \(=\frac{-92}{3}\)