皮皮学，免费搜题
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【简答题】
用简便方法计算． 98×105 58×69+31×58 125×43×8 69×40-44×40 4388-687-313 （48×25）×8．
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【单选题】There are more than 100 million cars in the United States. A normal car gets less than 15 miles from each gallon of gas. It travels about 10,000 miles each year. In that time, it uses about 650 gallon...
A.
bus service
B.
subway service
C.
telephone
D.
airplane