课标人教实验版高三Module10Unit41Warmingup21+2+3+100=?Leadingin1+100,2+99,3+98,49+52,50+51altogether50pairsSo:Answer=101×50=50503Aten-year-oldboy(高斯(C.F.Gauss)workedouttheproblemassignedbytheteacherinafewseconds.4Fromthisexample,weknowthesignificanceofmethod.Rightmethodscanalwayshelpimprovetheefficiencyofsolvingproblems.Astoourstudy,wecanalsoapplycertainmethodsorstrategiestomak...