题目

计算 （1） －20＋(－14)－(－18)－13 （2） （3） （4） 答案：解：－20＋(－14)－(－18)－13 =-34+18－13 =-16-13 =-29 解： -34×(-12)÷(-214) = -34×(-12)÷(-94)= -34×(-12)×(-49)= -16 解： -34×(-8+23-16) = -34×(-8)-34×23-34×(-16)= 6-12+18= 558 解： (−1)3−(1−12)÷3×[3−(−3)2] = −1-12÷3×[3-9]= −1+12×13×6= −1+1=016．To behonest，a lot of peopleattachimportance tobecoming（become） rich and famous．Some people have ever dreamed of playing at a concert with everyone clapping and appreciatingth eir mus ic．Thus，many musicians meet andforma band．Sometimes they play in the street or subway to passers-by so that they canearnsome extra money．However，there was once a band called"the Monkees"which started in a different way．The musicians，of whom the band was formed，playedjokes on each other as well as played music，most of which was looselybasedon"the Beatles"．They were so popular that their fans formed clubs in order to get morefamiliarwith them．Though the band brokeupin 1970，happily they reunited in the mid-1980s．