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Clearnote
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Junior High
Mathematics
求解
Mathematics
Junior High
about 1 hourago
Ellie
求解
C 2.欲建一道長100呎、高7呎的磚牆,能夠使用的磚塊有 ☆ 兩種:1呎高2呎長或1呎高1呎長(磚塊不能切割)。 垂直堆砌磚塊必須如右圖交錯間隔,且牆的兩端必須堆 砌平整。試問至少需要多少塊磚塊才能建成此道牆? (A) 344 (B) 347 (C) 350 (D) 353
( ) 3.右圖是一個三角形的桌遊板,三角形各邊的數字和均相 等,則下列何者正確? (A)a<b<c (B)a<c<b (C)b<a<c (D)b<c<a 100 101 a 102 4與P相距8個單位,B與A相距 20
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