装饰工人为鸟巢装一部分彩灯,按红、黄、蓝、顺序依次组装,一共有76组,后来按红、黄、蓝、红的顺序重新组装.这些彩灯重新组装后有多少组.

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• 装饰工人为鸟巢装一部分彩灯,按红、黄、蓝、顺序依次组装,一共有76组,后来按红、黄、蓝、红的顺序重新组装.这些彩灯重新组装后有多少组.
• 装饰工人为鸟巢装一部分彩灯,按红、黄、蓝、顺序依次组装,一共有76组,后来按红、黄、蓝、红的顺序重新组装.这些彩灯重新组装后有多少组.
• 如果关于X的不等式组（a-1）x＜a+5和2x＜4的解集相同,则a得值为______.
• .是阅读题.Influenced by movies and popular novels,most people see sharks as people-eating monsters.This is far from the truth.Every year,a few types of sharks injure about 100 people worldwide and kill about 25.Most attacks are by great white sharks,which often feed on sea lions and other marine mammals .They sometimes mistake human swimmers for their normal prey,especially if they are wearing black wet suits.If you are a typical ocean-goer,your chances o