3044÷48≈( )
48÷6= 24÷3=
960÷120= 1440÷180=
111÷3=37 222÷6=37 333÷9=37
444÷□=37 555÷□=37 666÷□=37
□÷21=37 □÷24=37 □÷□=37
①190÷38=
②936÷78=
③☆552÷42=
④918÷38=
⑤☆481÷19=
⑥628÷63=
①306÷31=
②720÷12=
③816÷81=
④702÷18=
⑤470÷51=
⑥910÷13=
20+35= 100-29= 48+31= 76-39=
13×40= 720÷90= 45×6= 400÷8=