①68.12÷52=
②9.12÷575=
③13÷2.4=
④9.76÷2.2=
⑤67.5÷15=
⑥2.6÷0.25=
48.96÷0.02= 2.88÷1.8= 1.4÷0.28=
12.6÷0.42= 18÷0.36= 3.36÷9.6=
7.56÷7.2= 15.6÷7.5= 1.8÷2.5=