小学生数学题 52
所有跟帖:
• 感觉51,52皆可用1.确定f(0), 2. 用x,-x和x,x和2x,-x来代替x,y以求得f(x) -万斤油- ♂ (28 bytes) () 10/13/2014 postreply 12:04:03
• 感觉51,52皆可用1.确定f(0), 2. 用x,-x和x,x和2x,-x来代替x,y以求得f(x) -万斤油- ♂ (28 bytes) () 10/13/2014 postreply 12:04:03
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