文档介绍：①×
②÷
③÷
④-
⑤×
⑥÷
⑦×
⑧+
⑨26÷
⑩÷
①÷
②÷
③+
④108÷
⑤×
⑥÷
⑦×
⑧÷26
⑨÷
⑩÷
①÷
②÷
③×
④6÷
⑤÷
⑥62÷
⑦÷
⑧124÷53(保2位)
⑨74÷
⑩÷
①÷
②192÷
③÷
④÷
⑤÷
⑥÷
⑦÷
⑧162÷
⑨÷
⑩÷
①÷
②18÷
③×40
④17×
⑤25×
⑥×17
⑦÷40
⑧÷24
⑨÷
⑩÷12
①×20
②÷
③÷23
④÷
⑤+
⑥÷
⑦+
⑧×
⑨÷
⑩71÷
①+
②32÷
③×180
④18÷
⑤×
⑥÷
⑦÷45
⑧÷
⑨÷
⑩21÷