57×24 467÷9
46×205=
120×73=
456÷52=
828÷36=
72÷6=
230+80=
360÷18=
150×6=
420÷60=
725-85=
420÷69≈
543÷60≈
①
②6×100+4×10000
③
④
6 × 9 =( )× 6 +( )×6
( )×( )=( )
( )÷( )=( )