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二、和大墨镜交手上回说到大墨镜一共只付出100+9=109元,却从帮钱爷爷看店的木头那儿得到价值9元的木糖醇,并且两次找回了91元和100元。钱爷爷用“收支计
Second, the big sunglasses and fight back Speaking of the big sunglasses only pay a total of 100 +9 = 109 yuan, but from the grandfather to see the wood shop where the value of 9 yuan xylitol, and twice recovered 91 yuan and 100 yuan. Grandpa used money ”revenue