2.(2015镇江，7)—Doesyourauntonlyhaveapieceofbreadforsupper?—Yes.Sheeatsalittle.Shelooksslimmerthanbefore.A.tosavemoneyB.toloseweightC.savingmoneyD.losingweight
2. (2015 镇江，7) —Does your aunt only have a piece of
bread for supper?
—Yes.She eats a little.She looks slimmer than before.
A. to save money B. to lose weight
C. saving money D. losing weight
求解：1+1/3+1/9+1/27+...+1/3^2010用这个方法做：求1+5+5^2+5^3+ 2020-03-31 …
5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+545+5+555+555 2020-04-07 …
5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+5+545+5+555+555 2020-04-07 …
被损坏的计算器(555－5)÷5÷5－5(5＋5＋5＋5＋5＋5＋5＋5＋5＋5＋5＋5＋5＋5＋ 2020-04-07 …
请问，3×5＝15、4×5＝20、5×5＝25、6×5＝30、7×5＝35、8×5＝40，你有什么 2020-04-09 …
如果2/1△3=2/1×3/2×4/3,5/4△4=5/3×6/4×7/5×8/6那么5/2△5+ 2020-04-27 …
、按一定规律排列的一串数：1/1,-1/3,2/3,-3/3,1/5,-2/5,3/5,-4/5, 2020-05-14 …
解下列方程．（1）3x-1.5×3=10.5（2）9x+2x=0.66（3）6x-4×5=16（4 2020-05-14 …
Matlab程序：错误在哪里建立函数文件fun5.mfunction dy=fun5(t,y)dy 2020-05-16 …
2.(2015镇江，7)—Doesyourauntonlyhaveapieceofbreadfors 2020-11-12 …