①242×2=
②125×8=
③420×3=
④204×6=
⑤69÷3=
⑥489÷4=
①680×9=
②325×8=
③*94÷4=
④*441÷3=
①*509-238=
②*704+198=
③450×8=
④208×3=
⑤127×5=
⑥329+174+204=
①510-260=
②150+750=
③820-380=
④620-450=
⑤530+280=
⑥800-170=
4 0 7 0