A.左 B.右 C.两 D.三
503.2÷68= 503.2÷6.8=
50.32÷68= 5.032÷6.8=
3.34×66.6=
3.334×666.6=
3.3334×6666.6=
88.83÷9=
88.884÷9=
88.8885÷9=
88.88886÷9=
88.888887÷9=