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Mathematics
Junior High
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Chou
Chou

請解！

20 (B) 17. 小玉和丸尾到同一間文具店買同一款式的鋼筆 和筆記本,已知小玉購買6枝鋼筆和7本筆記 本,丸尾買了和小玉相同的鋼筆8枝、相同的 筆記本3本,且小玉花的錢比丸尾少40元,則 下列敘述何者正確? (A)2支鋼筆比1本筆記本少20元 60 + 15 = 175 (B)2支鋼筆比1本筆記本多20元 (C)1枝鋼筆比2本筆記本少20元 (D)1支鋼筆比2本筆記本多20元 1220

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