GMAT數(shù)學(xué)數(shù)據(jù)充分性題的解題技巧
1. GMAT數(shù)據(jù)充分性問題的說明相當(dāng)復(fù)雜。做真題的時(shí)候，在著手解題之前，花些時(shí)間冷靜的學(xué)習(xí)一下數(shù)據(jù)充分性問題的說明，是很有必要的'。熟讀、理解整個(gè)說明，熟記下面這五個(gè)選項(xiàng)，這五個(gè)選項(xiàng)對(duì)于每一道數(shù)據(jù)充分性問題都是一樣的。考試時(shí)，千萬不要再花時(shí)間看說明了。
A. Statement ALONE is sufficient, but statement alone is not sufficient to answer the question asked;
B. Statement ALONE is sufficient, but statement alone is not sufficient to answer the question asked;
C. BOTH statements and TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient;
D. EACH statement ALONE is sufficient to answer the question asked;
E. Statements and TOGETHER are NOT sufficient to answer the question asked, and additional dataspecific to the problem are needed.
2. 你的目標(biāo)是判定是否有足夠的信息來回答問題，不要花時(shí)間進(jìn)行運(yùn)算。GMAT數(shù)據(jù)充分性問題主要是考查數(shù)學(xué)概念，而不是數(shù)字運(yùn)算的能力。如果你發(fā)現(xiàn)自己在進(jìn)行大量的筆頭運(yùn)算，那你一定走錯(cuò)了方向。
3. 和標(biāo)準(zhǔn)多項(xiàng)選擇題中的幾何圖形不同的是，數(shù)據(jù)充分性問題的圖形并不一定成比例除非說明了圖形是按比例作出的。不要目測(cè)角度大小、線段長度和面積。要利用數(shù)學(xué)知識(shí)處理題干給出的數(shù)字，來解決問題。
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