[考題] 97桃園國小數學 Q.8.10.21.50
[考題] 97桃園國小數學Q.8. 10. 21, 50
Q8、設x,y 為有理數,且f(x+y)= f(x)+f(y),若f(1)=3,則茨10)=(1)10 (2)20 (3)30 (4)40
由於Q10.21.50 有圖,因此要煩請大大參考以下連結
http://ppt.cc/qGWD
ANS:8(C), 10 (C), 21 (A), 50(A)
想請問大大此提解法,相當感謝!
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