ƽһ
ƽּһʲô
ƽּһʼƽʮӣһǡƺ֡һƺ 1ƽأԭָɽԭϵģڵ2ػλ1ƺԼ3.3ƽס ...
ļƷֹΪ:ʤһ3,ƽһĵһ...
1)ʤ52)353)ʤ6ƽ00ʤ5ƽ10ʤ5ƽ01ʤ4ƽ20ʤ4ƽ11
һѭ,ʤһ3,ƽһ1,һ...
::ɷ֪:ھʤ2ƽ5,8Ӳ,5ӸΪ3ʤ31ƽ,2ӸΪ3ʤ4;23+51=11();:ھٵ11.ʴ...
ƽ12
ƽ12һָƽƬߵڹͬҩʱ䲻ͬҩĸòͬƵļͬҩļ۸ͬ1...
ƽֵijЩ?
·ƽοƽŮƽȡ̫ƽƽƽӹӹƽƽơƽ桢ƽ⡢ɵƽƽӹƽ顢ƽƽƽƽơƽ...
һƽһô
һƽһ֧ͨߡԶȷơ֢״Ӿ磬黼ʱҽ1. ֧ ߿羱...
ƽּһʱʲô?
ƽּһʱǺ֡ƽּһʡΪƽһʣԱ֡һ 1ʾʻʣͬ2ʾѡʣ...
ƽһƬٺ
ƽһƬͨΪ20ˡƽһָ,Ƹ,Ź״ܶ,ļ,ĽʹĽʹȶĽʹȼ...
12֧ӽеѭ,涨ʤһ3,ƽһ1...
ʤX,ƽY3X+Y=18X+Y
ȫװһƽ״ŶǮȫװҪ
ȫװһƽ״ҪǮһ⡣ݵصгۣȫװһƽļ۸ΧԼ2000Ԫ5000Ԫ֮䡣װޱֻ+У3ʵ...