问题 解答题

正方体棱长的总和是48厘米,它的表面积是______平方厘米,体积是______立方厘米.

答案

48÷12=4厘米,

4×4×6=96平方厘米,

4×4×4=64立方厘米,

答:它的表面积是96平方厘米,体积是64立方厘米.

故答案为:96;64.

写句子

按要求改写句子。  

1.夜莺的歌声打破了夏日的沉寂。(改成“被”字句)

                                                                                                              

2.教室被同学们打扫得干干净净。(改成“把”字句)

                                                                                                              

3.怎么会就剩下我一个?(改成陈述句) 

                                                                                                           

4.李老师对我的深情厚谊我不能忘记。(改成反问句) 

                                                                                                           

5.眼前的一切让人不能不相信是真的。(改成肯定句) 

                                                                                                          

6.赵亮的学习成绩好,是因为他平时学习很刻苦。(改成前因后果句)

                                                                                                          

7.小明叫小刚。小刚扫地。(合成一句话) 

                                                                                                            

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