问题
填空题
把（+3）-（-6）-（+7）+（-8）写成省略加号的和的形式为（ ）。
答案
3+6-7-8
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把（+3）-（-6）-（+7）+（-8）写成省略加号的和的形式为（ ）。
3+6-7-8
| 从方框中选出能填入空白处的正确答案。 | |
| A: 1______ B: I like music that isn't too loud. A: 2______ B: I listened to one called Heart String. A: 3______ B: I enjoyed it a lot. A: 4______ B: Some songs are too long. Some of the singers don't sing the words clearly. A: 5______ B: The CD reminds me of my old friends. | |
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