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            ҡ ͧѭѡɳ쪹Դ˹觷Ҫҧдɰ ѹ֡ŧҧ ٭ ҧҧ͡ ö§ͧͺŧ͡繷ӹͧŧ 7 § ժ§ѹӴѺ §ҹöѭ᷹ ѧ = = = = = = = = C = D = E = F = G = A = B

ѡɳѵҨѧТͧ

            ѡɳТͧ մѧ
            еǨѵҨѧᵡҧѹ͡ ѧ
            鵵ǡ ѵҨѧǷش դ 4 ѧ
            鵵Ǣ ѵҨѧ繤˹觢ͧ鵵ǡ դ 2 ѧ
            鵵Ǵ ѵҨѧ繤˹觢ͧ鵵Ǣ դ 1 ѧ
            鵵ࢺ 1 ѵҨѧ繤˹觢ͧ鵵Ǵ դ 1/2 ѧ
            鵵ࢺ 2 ѵҨѧ繤˹觢ͧ鵵ࢺ 1 դ 1/4 ѧ
            ʹ٤ҵ鵷 ᵡҢͧ鵨ᵡ͡ 2 ӹǹ ѧἹѧ仹
            ǡ 1 ºѺǢ 2
            Ǣ 1 ºѺǴ 2
            Ǵ 1 ºѺࢺ 1 2
            ࢺ 1 1 ºѺࢺ 2 2
            ҹҺè㹺÷Ѵ 5 öҹ͡§ŧ ѧ ÷Ѵ 5 ֧鹺÷ѴդӤѭѺҡ蹡ѹ