[計量] A straight pipe 1 yard in length ...
A straight pipe 1 yard in length was marked off in fourths and also in thirds.
If the pipe was then cut into separate pieces at each of these markings, which
of the following gives all the different lengths of the pieces,in fractions of
a yard?
(A) 1/6 and 1/4 only
(B) 1/4 and 1/3 only
(C) 1/6, 1/4 and 1/3
(D) 1/12, 1/6 and 1/4
(E) 1/12, 1/6 and 1/3
這題題目看不太懂,請教一下板上高手~謝謝 ^^
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