电大教育学形成性考核册答案本科

一个冰柜从外面量长一点五米宽零点六米高一米从里面量长十分米宽五分米高六分米这台冰柜所占的空间有多大?这台冰柜的容积是多少? 关于艺术的词语 计算 [(2/3x)-(2/x+y)(x+y/3x-x-y)]÷(x-y/x) [1/(a+b)²-1/（a-b）²]÷（1/a+b - 1/a-b)一:[(2/3x)-(2/x+y)(x+y/3x-x-y)]÷(x-y/x) 二:[1/(a+b)²-1/（a-b）²]÷（1/a+b - 1/a-b) 连词成句 minutes to takes me homework my forty it finish 16.It takes her 20 minutes ________her homework.A.finish B.finishing C.finished D.to finish填什么,为什么 我要提问已知点A（-3A,5）,B（6,2B）且AB平行X轴,则A等于多少,B等于多少 我要提问已知点A（-3A,5）,B（6,2B）且AB平行X轴,则A等于多少, 英语同义句转换急求It takes me an hour to do my homework.帮帮忙,急用!一定要正确! 怎样教孩子背乘法口诀 设x,y为非负整数,x+2y是5的倍数,x+y是3的倍数,且2x+y大于等于99,则7x+5y的最小值为多少? it takes me twenty minutes---------my homework 怎么填 已知函数f(x)={x3(x＞1） -x2+2x(x≤1）,若f(a)=-5/4,则a的值为A.-1/2或5/2 B .1/2或5/2 C -1/2 D1/2 设x,y是非负整数,x+2y是5的倍数,x+y是3的倍数,且2x+y≥99,求7x+5y的最小值. 设x,y是非负整数,使x+2y是5的倍数,x+y是3的倍数,且2x+y≥ 99.则7x+5y的最小值是 ?要埋点样计到... 英语连词成句：finish_minutes_homework_took_to_my_It_me_thirty_. It took her thirty minutes to get to the theater .[同义句替换】 It__him thirty minutes to finish his homework. A took B cost C spent D have 减去2-3m后等于6m^-3m-8的多项式是? 同义句转换1.He spent thirty minutes in finishing his homework.同义句转换为it took him ( ) ( ) ( ) ( ) finish his homework.2.i got a letter from my brother last weekend.i ( ) ( ) my brother last weekend.3.if you don't hurry up,you won't be 6m^3+3m^2-2m-3m^5-3m^4m=2013代入 带入后等于几6m^3+3m^2-2m-3m^5-3m^4 m=2013 急需小学五年级2（x-2.6)=8和8(x-6.2)=41.6 根据方程列出应用题并解答 小学五年级上学期的方程8x-3x 14=0怎么解?这个怎么解? 对于一切实数x,y,函数f(x)满足f(xy)=f(x)f(y),且f(0)≠0,求f(2010) 如果函数f(x)满足：对任意实数a,b都有f(a+b)=f(a)f(b).且f(1)=1.则f(2)/f(1)+f(3)/f(2)…+f(2011)/f(2010)= 设fx是定义在R上的函数,若f0=2010,对任意x∈R满足f（x+2）-fx≤3×2∧x,f（x+6）-fx≥63×2∧x,则f2010=设fx是定义在R上的函数,若f0=2010,且对任意x∈R满足f（x+2）-fx≤3×2∧x,f（x+6）-fx≥63×2∧x,则f2010=（ 已知函数f(x)对任意实数的a,b∈R满足:f(a+b)=f(a)+f(b)-6,当a>0时,f(a) It takes _____ ten minutes____ his homework.A,hin,do B,his ,to do C,his go D,him ,to do 2.6m*5-3m(m=0.85)要具体流程! It_____me about forty minutes to do my homework every day.A.cost B.uses C.spends D takes 若方程2x的K减2次方加2K=4是关于x的一元一次方程,求K的值 关于x的一元二次ax^+bx+c=0(a不等于0),(1)当a.c异号时,是说明该方程有两个不相等的实数根.(2)当a.c同号时,该方程要有两个实数根还必须满足什么条件?请你找出一个a.c同好且有实数根的一元二次 泊松分布一道题某商店中每月销售某种商品的数量服从参数为5的泊松分布,问在月初进货时要库存多少此种商品,才能以0.999的某商店中每月销售某种商品的数量服从参数为5的泊松分布，问在