某种品牌的手机,原价为2400元,春节期间七五折优惠能节省多少元？
\u67d0\u54c1\u724c\u7acb\u5f0f\u7a7a\u8c03\u539f\u4ef76000\u5143 \u56fd\u5e86\u671f\u95f4\u4e03\u4e94\u6298\u4f18\u60e0\uff0c\u56fd\u5e86\u8282\u671f\u95f4\u4e70\u4e00\u53f0\u8fd9\u6837\u7684\u7a7a\u8c03\u53ef\u4ee5\u8282\u7701\u591a\u5c11\u5143\u53ef\u4ee5\u8282\u77011500
\u8bbe\u539f\u4ef6\u4e3ax\u5143
(x-m)\u00d7(1-1/5)=n
x-m=5n/4
x=5n/4+m
如果不涨价的情况下600
绛旓細鑳界渷鐨勯挶=2400锛1-0.75锛=2400*0.25=24*25=600鍏冦
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