03概數02無條件進入法(選擇01)
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28 points
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28 points
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29 points
(1). 下列何者是用無條件進入法取「328」到百位的結果?
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(2). 1件衣服賣400元,媽媽買了3件,只用千元鈔票付錢,最少要付幾張才夠?
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(3). 1個箱子可裝1000個燈泡,874512個燈泡最少需要幾個箱子才能裝完?
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(4). 「2368+1291」分別用無條件進入法取概數到十位,再計算的結果是多少?
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(5). 「6579-4321」分別用無條件進入法取概數到百位,再計算的結果是多少?
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