无
*注意事项:
400-245+517=
825-330-215=
236+148+150=
①84÷7=
②492÷3=
③286÷5=
④36×4=
⑤406×6=
⑥125×8=
①125×8=
②7×405=
③260×9=
④561×8=
⑤360×5=
⑥708×8=
①408×6=
②520×3=
③650×4=
④302×9=
⑤660×3=
⑥802×3=
①132×5=
②214×4=
③145×6=
④243×5=
⑤187×8=
⑥367×9=
①89×5=
②246×3=
③433×6=
④505×4=
⑤450×5=
⑥480×2=
①59×6=
②345×7=
③315×4=
④612×5=
⑤208×6=
⑥123×4=
⑦204×7=
⑧125×4=
⑨214×3=
①69×5=
②153×6=
③87×4=
④236×4=
①136×7=
②64×8=
③263×3=
④87×9=
⑤147×6=
⑥368×2=
①1.2元+5.6元=
②3.5元+10.2元=
③0.8元+1.1元=
④6.8元-5.3元=
⑤13.6元-3.5元=
⑥9.5元-0.4元=
①78×9=
②134×4=
③154×3=
④124×5=
⑤68×7=
⑥126×7=
①2元+2.8元=
②50元-25.7元=
③305×4=
④460×7=
①254+368-534=
②405×9=
③6.7元+2.8元=
④1000-713-169=
⑤560×7=
⑥14.2元-3.5元=
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