文档介绍：-
. z.
①×
②÷
③÷
④－
⑤×
⑥÷
⑦×
-
. z.
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÷
-
. z.
⑦÷45
⑧÷
⑨÷0