问题
填空题
从小熊家到小猪家有一条小路，每隔45米种一棵树，加上两端共种53棵；现在改成每隔60米种一棵树．求可余下______棵树．
答案
从小熊家到小猪家一共长：45×（53-1）=2340（米），
45和60的最小公倍数是：180；
2340÷180-1，
=12（棵）；
答：可余下12棵树．
故答案为：12．
搜题请搜索小程序“爱下问搜题”
从小熊家到小猪家有一条小路，每隔45米种一棵树，加上两端共种53棵；现在改成每隔60米种一棵树．求可余下______棵树．
从小熊家到小猪家一共长：45×（53-1）=2340（米），
45和60的最小公倍数是：180；
2340÷180-1，
=12（棵）；
答：可余下12棵树．
故答案为：12．
根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
B：Yes . But what can I do ? A：Well . 小题1: B：Yes , that’ s easy . Sometimes I turn on the lights without thinking . What’ s next ? A：Second , you can ride a bicycle . 小题2: B：That will save money , too . What else ? A：Third , try to recycle paper . B：Mm . Newspapers , magazines , mails.小题3: Good idea . A：The fourth idea is turning off the shower when you’ re not using it . B：You mean when I have shampoo in my hair ? A：Yes . Get wet . 小题4: Put the shampoo in your hair and then turn on the shower and wash it out . B：Will that help the environment ? A：Yes , we have to save water . And fifth , take a bag when you go shopping . 小题5: B：OK . My parents do most of the shopping . I’ ll tell them . |