My pen Pal My pen Pal is Jackson This year already 14 years old, is a lively boys. He is an American, living in New York. His family members are his parents, there is an eight-year-old kid sister. He and I are good friends.
最新问答: 若梯形两底长分别为10cm和16cm,两底角分别为30度和60度,则较长的腰为多少? 等你存钱娶我英语怎么说? 若丨a+b-1丨+(a-b-3)²=0,求3a²(a²b²-2a)-4a(-a& 写出带有下列偏旁的字,并组词。犭 & Owing to the snowstorm,the trip to the mountai_________.A.ha 碱金属性质的递变规律 y=1/(kx^2+X+k)恒有意义 求文档:3.33乘9.9加33.3的简便运算答案 已知tga=2,计算(cosa-sina)/(2sina+cosa)谢谢大哥们 来有几画? Hardly a month goes by without ______ of another survey reve we should never dream away our livesdoing nothing 中的doing no 过氧化钙怎么生成的? 已知:等差数列{An}的公差大于零,且a3,a5是方程x^2-14x+45=0的两根,数列{Bn}的前n项和Sn=1-1 集合A是不等式3x+1≥ 0的解集 集合B={x/x<1}则集合A∩B= 新年联欢会共有8个节目,其中有3个非歌唱类节目.排列节目单时规定,非歌唱类节目不相邻,而且第一个和最后一个节目是歌唱类节 关于通电直导线所受的安培力F、磁感应强度B和电流I三者方向之间的关系,下列说法中正确的是( ) Na2SiO3、CaSiO3、SiO2与Na2O·CaO·6SiO2 跟我做的英语单词怎么写? ab两地相距一百八十千米,甲乙两人同时出发甲从a前往b.乙从b地前往a.2/3小时后甲行了全程2/5,乙行了甲所行路程1
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