A rope 60 meters long is cut into three pieces (A, B, C), If piece A is 12 meter

游客2024-01-13  21

问题 A rope 60 meters long is cut into three pieces (A, B, C), If piece A is 12 meters longer than piece B, piece B is 9 meters shorter than piece C, then what is the length, in meters, of the shortest piece?

选项 A、9
B、22
C、18
D、15
E、13

答案 E

解析 这是一道极其简单的应用题。设piece B长为x,那么(x+12)+x+(x+9)=60,x=13。E为正确答案。
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