The pulley has three wheels A, B and C. Circle A has a radius of 2. Circle B has a radius of 4. Circle C has a radius of 6. If circle A rotates 1.5 turns counterclockwise, how many turns does circle B and circle C rotate in total?
-
数学PS
-
The pulley has three wheels A, B and C. Circle A has a radius of 2. Circle B has a radius of 4. Circle C has a radius of 6. If circle A rotates 1.5 turns counterclockwise, how many turns does circle B and circle C rotate in total?
显示答案
正确答案: B