Toán Nếu `|a| > b` thì … Nếu `|a| < b` thì .... 13/07/2021 By Caroline Nếu `|a| > b` thì … Nếu `|a| < b` thì ....
$\begin{array}{l}|a|>b\\*|a|>b(b<0)\\\Rightarrow Forever\,True\\*|a|>b(b>0)\\\Rightarrow \left[ \begin{array}{l}a>b\\a<-b\end{array} \right.\\|a|<b(b>0)\\\Rightarrow -b<a<b\\\end{array}$ Trả lời
$\begin{array}{l}|a|>b\\*|a|>b(b<0)\\\Rightarrow Forever\,True\\*|a|>b(b>0)\\\Rightarrow \left[ \begin{array}{l}a>b\\a<-b\end{array} \right.\\|a|<b(b>0)\\\Rightarrow -b<a<b\\\end{array}$