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Mathematics of Maple Leaf
①②⑤⑧⑨? One (addition), 346 6 attending one (subtraction),

①④⑤⑥⑩? One kind (maple leaf), 237 ⑧ ⑨ one kind (elliptic leaf),

①⑤? One kind (with maple leaves), ② ⑧ ⑨ One kind (with elliptic leaves),

④ ⑤ ⑩ (subtraction of maple leaves), ③ ⑤ (subtraction of elliptic leaves),

①⑤? One category (plus maple leaves), 46 participate in one category (minus maple leaves),

② ⑧ ⑨ One kind (adding elliptic leaves) and ③ ⑤ one kind (subtracting elliptic leaves).