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中午,奶奶叫了收废品的人到我们家收废品。我们和收废品的人讨价还价了一番,最后说定:纸箱一斤5角钱,瓶子一个2角钱,塑料一斤2元钱。我们卖了纸箱45斤,瓶子110个,塑料6斤。奶奶问我他要给我们多少钱?我仔细地想:纸箱一斤5角,有45斤,就是5角×45=225角=22.5元;瓶子一个2角,有110个,就是2角×110=220角=22元:塑料一斤2元,有6斤,就是2元×6=12元。总数是:22.5+22+12=56.5元。我非常自信地告诉奶奶,他总共要给
Noon, my grandma called the people who received the waste to our house to receive the waste. We and the people who received the bargain bargain it, and finally said: a pound of cardboard 5 cents, a bottle of 2 dimes, plastic pound 2 yuan. We sold 45 pounds of cartons, 110 bottles, 6 pounds of plastic. Grandma asked me how much he wants to give us? I carefully think: a pound of cardboard 5 angle, 45 pounds, that is, 5 angle × 45 = 225 angle = 22.5 yuan; bottle a 2 angle, 110, is 2 × 110 = 220 angle = 22 yuan: plastic pound 2 yuan, 6 pounds, that is, 2 yuan × 6 = 12 yuan. The total is: 22.5 + 22 + 12 = 56.5 yuan. I am very confident to tell my grandmother, he gave a total of