Malline:Kehitysaste Malline:Lukion taulukot
|a1a2b1b2|=a1b2−a2b1
|a1a2a3b1b2b3c1c2c3|=a1|b2b3c2c3|+a2|b3b1c3c1|+a3|b1b2c1c2|=a1|b2b3c2c3|−a2|b1b3c1c3|+a3|b1b2c1c2|