每本记事本价格:10.8÷(8-2)=1.8(元)张明付了:1.8x8=14.4(元)李军付了:14.4-10.8=3.6(元)
张明付了:10.8÷(8-2)x8=10.8÷6x8=1.8x8=14.4(元)李军付了:10.8÷(8-2)x2=10.8÷6x2=1.8x2=3.6(元)谢谢,请采纳