推 YingTK :每段1/4及1/3兩種mark,並按每個標記切開... 03/29 23:15
→ YingTK :有錯請板友指正呀... 03/29 23:15
推 fishtom :所以有 1/4+1/12+1/6+1/6+1/12+1/4 六段嗎? 03/29 23:17
→ fishtom :共三種? 03/29 23:18
→ we1ee :不好意思 忘記說答案是(D) 03/30 00:05
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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