1.11+2.22+3.33+4.44+5.55+6.66+7.77+8.88+9.996
a)54 b)45 c)50 d)51
利用相容數字法,求下列各數的估值:
1.11+2.22+3.33+4.44+5.55+6.66+7.77+8.88
a)35 b)40 c)45 d)50
更新1:
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