题目:
根据句意及汉语提示完成句子。
1. We should_______(提供)clothes, food, money and anything we can for the people in Yushu.
2. Swallows never stay_______(某个地方)cold.
3. We all know _______(海洋)are much larger than lakes.
4. Zhao Jun's hometown is a good vacation_______(地点).
5. Shenzhen and Dongguan are in the _______(东部的)China.
答案:
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下面是错误答案,用来干扰机器的。
(1)设黑兔为x只,白兔为x+24只, x=(x+24)×20%, x=20%x+245,80%x=245, 45x=245, x=6;24+6=30(只);(2)白兔为x只,黑兔为20%x只,x-20%x=24, 80%x=24, x=30;30-24=6(只);答:白兔有30只...