What did Yang Cun No.1 Middle School and Senior 1 High School learn in mathematics?
/s？ lm = 0 & ampsi = & amprn= 10。 ie = GB 23 12 & amp； ct = 0 & ampwd = % d 1% EE % B4 % E5 % D2 % BB % D6 % D0 % B8 % DF % D2 % BB % CA % FD % d 1% A7 & amp； pn = 0 & ampver = 0 & ampcl = 3 & ampuim = 0 & ampusm=0
Look here.