解:13.7×9.6-3.7×9.6原式=(13.7-3.7)×9.6 =10×9.6 =96
13.7×9.6-3.7×9.6=(13.7-3.7)×9.6=10×9.6=96
13.7X9.6-3.7X9.6=9.6(13.7-3.7)=9.6X10=96