计算器能进行四则运算加乘除优先

[{"title":"（ 31 个子文件 2.58MB ） 计算器能进行四则运算加乘除优先","children":[{"title":"Calculator","children":[{"title":"Test.opt <span style='color:#111;'> 633.00KB </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 2.46KB </span>","children":null,"spread":false},{"title":"Test.dsw <span style='color:#111;'> 531B </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"vc60.pdb <span style='color:#111;'> 452.00KB </span>","children":null,"spread":false},{"title":"Test.pdb <span style='color:#111;'> 465.00KB </span>","children":null,"spread":false},{"title":"TestDlg.obj <span style='color:#111;'> 83.40KB </span>","children":null,"spread":false},{"title":"Test.exe <span style='color:#111;'> 136.08KB </span>","children":null,"spread":false},{"title":"vc60.idb <span style='color:#111;'> 241.00KB </span>","children":null,"spread":false},{"title":"StdAfx.obj <span style='color:#111;'> 103.29KB </span>","children":null,"spread":false},{"title":"Test.pch <span style='color:#111;'> 5.37MB </span>","children":null,"spread":false},{"title":"Test.obj <span style='color:#111;'> 18.12KB </span>","children":null,"spread":false},{"title":"Test.res <span style='color:#111;'> 3.75KB </span>","children":null,"spread":false},{"title":"Test.ilk <span style='color:#111;'> 297.73KB </span>","children":null,"spread":false},{"title":"MyCalculator.obj <span style='color:#111;'> 94.04KB </span>","children":null,"spread":false}],"spread":false},{"title":"Test.rc <span style='color:#111;'> 7.24KB </span>","children":null,"spread":false},{"title":"MyCalculator.h <span style='color:#111;'> 1.16KB </span>","children":null,"spread":false},{"title":"Test.clw <span style='color:#111;'> 2.60KB </span>","children":null,"spread":false},{"title":"Test.dsp <span style='color:#111;'> 4.16KB </span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 3.46KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"Test.rc2 <span style='color:#111;'> 396B </span>","children":null,"spread":false},{"title":"Test.ico <span style='color:#111;'> 1.05KB </span>","children":null,"spread":false}],"spread":true},{"title":"Test.cpp <span style='color:#111;'> 1.99KB </span>","children":null,"spread":false},{"title":"MyCalculator.cpp <span style='color:#111;'> 6.17KB </span>","children":null,"spread":false},{"title":"Test.h <span style='color:#111;'> 1.27KB </span>","children":null,"spread":false},{"title":"StdAfx.cpp <span style='color:#111;'> 206B </span>","children":null,"spread":false},{"title":"Test.aps <span style='color:#111;'> 23.02KB </span>","children":null,"spread":false},{"title":"TestDlg.h <span style='color:#111;'> 2.43KB </span>","children":null,"spread":false},{"title":"Test.ncb <span style='color:#111;'> 137.00KB </span>","children":null,"spread":false},{"title":"StdAfx.h <span style='color:#111;'> 1.03KB </span>","children":null,"spread":false},{"title":"TestDlg.cpp <span style='color:#111;'> 12.06KB </span>","children":null,"spread":false},{"title":"Test.plg <span style='color:#111;'> 975B </span>","children":null,"spread":false}],"spread":false}],"spread":true}]