ͼгΪ4߶εе㣬 εģ ΪΧͼת180ȣ ͼβ䡣
ߵεһ㣬 ɹɶ 䳤Ϊ 4x 4+1 = 17 ƽ ǰԽߡ ԽߵijȾǸ17 2 ƽΪ 4x17 =68. ǶԽߵƽ 2 34.
ߵεһ㣬 ɹɶ 䳤Ϊ 4x 4+1 = 17 ƽ ǰԽߡ ԽߵijȾǸ17 2 ƽΪ 4x17 =68. ǶԽߵƽ 2 34.
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