①424÷4 =
②905÷3=
③950÷5=
④727÷9=
245×6= 75÷5= 308×6=
20×40=
300×4=
4500÷5=
619÷9≈
11×0=
0÷20=
70×70=
329÷8≈
67×83=
464÷4=
*610÷9=