甲乙两根电线,甲电线长63米,乙电线长29米。两根电线剪去同样的长度,结果甲电线所剩下长度是乙电线的3倍。两根电线各剪去了多少米?( )A. 16 B....

作者: tihaiku 人气: - 评论: 0
问题 甲乙两根电线,甲电线长63米,乙电线长29米。两根电线剪去同样的长度,结果甲电线所剩下长度是乙电线的3倍。两根电线各剪去了多少米?( )
选项 A. 16 B. 15 C. 13 D. 12
答案 D
解析 设两根电线各剪去x米,根据题意可得:63-x=3(29-1),解得x=12。 故本题答案为D。

相关内容:电线,长度,结果,各剪

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