问题
填空题
蕾蕾读一本252页的书，已读的页数等于还没有读过页数的2
|
答案
252-252÷（1+2
），1 2
=252-252÷
，7 2
=252-72，
=180（页）；
答：蕾蕾读过180页．
故答案为：180．
搜题请搜索小程序“爱下问搜题”
蕾蕾读一本252页的书，已读的页数等于还没有读过页数的2
|
252-252÷（1+2
），1 2
=252-252÷
，7 2
=252-72，
=180（页）；
答：蕾蕾读过180页．
故答案为：180．
| 根据短文内容，用方框里所给词的适当形式填空。 | |
| |
| One day, the great French scientist Andre Marie Ampere went on his way to give a lecture. He was thinking about an 1 as he was going along a river. He 2 a stone and put it into his pocket. Suddenly he thought out a way to 3 his experiment. He was so 4 that he threw what he thought was a "stone" in his pocket 5 the river. Later when he wanted to look at the 6 , he searched his pocket for the watch. But what he finally 7 out from his pocket was not a watch but the stone. |