Xét \(22.\left(-6\right)=\left(-132\right)\) :
\(\Rightarrow\left\{{}\begin{matrix}\left(+22\right).\left(+6\right)=\left(+132\right)\\\left(+6\right).\left(-22\right)=\left(-132\right)\\\left(-22\right).\left(+6\right)=\left(-132\right)\end{matrix}\right.\)
(+22).(+6) = 132
(-22).(-6) = 132
(-22).(+6) = -132
(+6).(-22) = -132
(+22).(+6) = 132
(-22).(-6) = 132
(-22).(+6) = -132
(+6).(-22) = -132