345_（a+45)+a+b_(b+100)+55怎么用简便方法计算急

345_（a+45)+a+b_(b+100)+55怎么用简便方法计算急 四年级简便方法计算345_（a+45)+a+b_(b+100)+55怎么用简便方法计算 急 b开头的英文单词 量词b开头的英文单词量词a b_ _ _ _ of orange这个词五个字母 (2a-1)2+|7-3b|=0,则a=_,b_ You can hear.Clean e_ _ _ he ate a lot and b_ _ _ _ _ ill.He b_ _ _ _ his leg last week b_ _l A ai B la C ol 选那个? 数轴上右边为正,a在0的左边,b在0的右边比大小：a_b;-a_a;a_-b;a_|a|;b_|b|;a_|b|;|a|_b;|a|_|b|; 还有Come to the party!B_ _ _ _ a bottle.是什么this person travels on a bus ,a train or a plane.是什么单词 They throw a ball into a b_. 帮我填几个词,马上就要 I b_ _ _ _ _ a new coat yesterday.We went to yown _ _ Saturday.The squirrel was _ _ the feeder.we're going o_ _ this evening.You can hear.Clean e_ _ _ he was hungry,_ _ he had an apple.he ate a lot and b_ _ _ _ _ ill.H ( )b_ _e A.a n B.i n C.e n D.o n补充单词 要使x(x^2+a)+3x-2b=x^3+5x+4恒成立,则a=_,b_.已知2^(m+3)·3^(2n-3)=12^m,求n^m的值. Henry lives in a tall b_?___ 集合A=={X|y=x2+1},B={y|y=-x2+1},则A∩B_ mathematica guide book上的问题书上programming chapter 3中有个模拟Expand的函数:secondExpandAttempt[secondExpandAttempt[a_ (b_ + c_)]] := secondExpandAttempt[a (b + c)]secondExpandAttempt[a_ (b_ + c_)] := a b + a csecondExpandAttempt[a_ + 英语填字母b_ _utiful A.e,a B.a,i C.a,ep_ _ents A.e,r B.i,n C.a,r he lived in a town b_ the sea请填入以b开头的一个单词.谢、 与:“相如_度_秦王虽斋,决负约不偿城”划线字义相同的一项（）A春风不_度_玉门关B_度_我至军中,公乃入C群臣惊愕,卒起不意,尽失其_度_D试使山东之国与陈涉_度_长絜【急等啊!】