四步走法解决2010年国考数字推理所有题型（The four step method to solve the 2010 national examination all digital inference questions）.docVIP

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四步走法解决2010年国考数字推理所有题型（The four step method to solve the 2010 national examination all digital inference questions）.doc

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四步走法解决2010年国考数字推理所有题型（The four step method to solve the 2010 national examination all digital inference questions）

四步走法解决2010年国考数字推理所有题型（The four step method to solve the 2010 national examination all digital inference questions） The first step: the overall observation, if there is a linear trend away thinking A, if there is no linear trend or linear trend is not obvious ideas go B. Note: the linear trend refers to a series of general direction, i.e. numerical or more and more, more and more small, and intuitive change the numerical value of the number itself is directly related to The second step: analysis of the trend of thought of A 1, increase (including reduction) generally do subtraction. The basic method is to do bad, but if you do worse than grade three still can not find the law, immediately convert ideas, because the public examination did not pass the arithmetic progression and the variant of level three or above. [] 1 cases of -8, 15, 39, 65, (A.180) B.210 C. 225 D 256 [analysis] to observe linear law, numerical increases, and the increase is generally considered to be traveling, do bad, 23, 24, 26, 29, 34, 42, re formed a series of linear increase is very small, then the 1, 2, 3, 5, 8, the obvious one and the recursive sequence, the next is 5+8=13, so the two differential sequence a is 42+13=55, so a series of a 170+55=225, C. [summary] do not exceed the three level difference; some typical series should be memorized in the heart 2, the larger increase in multiplication. [2] 0.25 cases, 0.25, 0.5, 2, 16, 64 (A.32) B. C.128 D.256 [analysis] observed linearly, increased from 0.25 to 16, a larger increase in consider to do multiplication and division, in addition to previously obtained back 1, 2, 4, 8, a typical geometric series, two series a is 8*2=16, so the sequence is a 16*16=256 [summary] to do business will not exceed three. 3, a large increase in the number of columns considering power [3] 2 cases, 5, 28257, (A.2006) B.1342 C.3503 D.3126 [analysis] to observe linear law, increase greatly, considering the power frequency, the maximum number of rules obv