问题
填空题
数轴上表示互为相反数的两个点之间的距离为7，则这两数为______．
答案
设两个数是x和-x（x＞0），
则有x-（-x）=7，x=3.5．
则-x=-3.5．
则这两个数分别是3.5和-3.5．
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数轴上表示互为相反数的两个点之间的距离为7，则这两数为______．
设两个数是x和-x（x＞0），
则有x-（-x）=7，x=3.5．
则-x=-3.5．
则这两个数分别是3.5和-3.5．
| Read and complete. | |
| Lisa has a busy week. She goes to music class on Monday. On Tuesday she goes to the library. On Thursday she has to go to buy some food and drinks because on Friday she has a party at her house. She goes to visit her parents on Saturday. On Sunday she doesn't go anywhere. She stays at home and enjoys her favourite TV show. | |
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