Toan sô 7 tiêt 3

   !"#$%&'()*+,-./*012345*67189:;-<=6 >?@ABCD=EFG-HIJKLMNOPQ<8RSTUV(WBX0YZ8[\O:]^_`a2bc 4dX\?NUe6fgd1(hZi6Qj0:kRbPlTd8J[mnopqom=r"astu*vvwxdEyz{BJZ|I}~•F€w•‚ƒej„•MEy…L†‡Zznˆ   ‰WŠ‹Œ•{'•Ž(`]‹'•57O•C <‘•f’0Y+ W$>Jxi““O#|n”\F •–— ˜•Q )f™?š•5 '   U •–— ˜•Q )f™?š•5 '  .    !"#$%&'()*+,-./*01 234 5* 671 89:;-<=6 >?@ABCD=EFG-HIJKLMNOPQ<8RSTUV(WBX0YZ8[O:]^_`a2bc. 4dX?NUe6fgd1(hZi6Qj0:kRbPlTd8J[mnopqom=r"astu*vvwxdEyz{BJZ|I}~•F€w•‚ƒej„•MEy…L†‡Zznˆ   ‰WŠ‹Œ•{'•Ž(`]‹'•57O•C <‘•f’0Y+ W$>Jxi““O#|n”F •–— ˜•Q )f™?š•5 ' 