【题目】2(3+1)(32+1)(34+1)-38的值是___________.


参考答案:

【答案】-1

【解析】原式=(3-1)(3+1)(32+1)(34+1)-38

=(32-1)(32+1)(34+1)-38

=(34-1)(34+1)-38

=38-1-38

=-1.

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