1斤葱有葱白0.5斤,葱绿0.5 斤,所以0.5斤葱白价格应为7毛,0.5斤葱绿因该为3毛。
1斤葱白7毛 1斤葱绿3毛,所以他卖的2斤的葱的价格为1元,所以卖葱的错了。
1斤葱有葱白0.5斤,葱绿0.5 斤,所以0.5斤葱白价格应为7毛,0.5斤葱绿因该为3毛。
1斤葱白7毛 1斤葱绿3毛,所以他卖的2斤的葱的价格为1元,所以卖葱的错了。
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