2.8➗x+0.6=6.22.8➗x=6.2-0.62.8➗x=5.6x= 2.8➗5.6x=1/2
2.8÷x=5.6x=5.6÷2.8x=2
2.8÷x=6.2-0.62.8÷x=5.6x=2.8÷5.6x=0.5
2.8÷x+0.6=6.22.8÷x=6.2+0.62.8÷x=6.8x=2.8÷6.8x=7/17