①78×9=
②134×4=
③154×3=
④124×5=
⑤68×7=
⑥126×7=
①405×6=
②9×130=
③5×54=
④217×4=
⑤78÷3=
⑥848÷4=
⑦★682÷6=
⑧★882÷7=
①674+245
②517-218
③△406-362
⑤738+94
⑥△749+251
÷3=7……2 ÷7=6……5 ÷4=9……2
+= 3﹣= ×= ÷=
+= -= ÷51= ×5.6=