(1)·ÖÊýÊÇÓÉ»ùÊý´ÊºÍÐòÊý´Ê¹¹³ÉµÄ¡£[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û a=~C+G1GwG{MFroG]
(2)·ÖÊýµÄ·Ö×ÓÊÇÓûùÊý´Ê±íʾ¡¢·ÖĸÓÃÐòÊý´Ê±íʾ¡£³ý·Ö×ÓΪ¡°1¡±Í⣬ÆäËüÇé¿öÏ·Öĸ¾ùÓÃÐòÊýµÄ¸´ÊýÐÎʽÀ´±íʾ¡£È磺[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û "[V1 {"$0hRXFroG]
1/2: one/a half, one second[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û vFnf;kX
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1/4: a quarter, one fourth[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û -1[#&m (/bU:{FroG]
3/4: three quarters, three fourths[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û z1
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4/5: four fifths[ÎÄÕ°æÈ¨ ½ûÖ¹×ªÔØ:¿¼ÊÔÓëÆÀ¼Û II9Hs€hZ|J|jM3G^FroG]