推敲的意思

10的13次方除以13的余数是多少 若多项式3x²-2x+b与x²+bx-1的和中不含x项,求b的值 并写出它们的和 不要理由 George,born in 1985,was _A.the only child B.an only child选什么,为什么 除数、被除数的比是1：3,被除数、除数、商的和是35,被除数是（ ）.一个圆柱和一个圆锥的体积比是3：2,底面积的比是2：3,高的比是（ ）. 请问一下哪里错了 Tom was born in washington on the twenty-three of may. 被除数和除数的比是1:3,被除数和商的和是35,被除数是多少? George Washington was the first president of the United States. 除数 被除数的比是1;3 被除除 除数 商 的和是35 被除数是多少 英语翻译eight.When George was fourteen,he became his father's helper.He spent a lot of time learning about engineers (发动机).And on holidays he often made one engine to pieces and studies each piece carefully.Soon he became a very good worker 除数和被除数的比是1：3,被除数、除数、商的和是35,被除数是多少? Washington D.C.was named( )the first President of the U.S.A George WashingtonA from B after C by D with 7^2N+1次方-1的差除以8的余数 5分之3一15分之2+2分之5要化简 化简比3分之2时： 要使关于X,Y的多项式6mx²-8nxy+3x-4xy-x²+y-3不含二次项,求代数式3m-4n. I was born Kentucky is the state _____ Lincoln was born in.A.when B.where C.who D.which Kentucky is the state ____ lincoln was born in .Awhen B Where C who D which 应该选B还是D 为什么?这个题答案给的是B，我觉得也应该是D，但是这里是不是有什么特殊呢？ 连成定语从句 Kentucky is the state.Lincoln was born there. Kentucky is the state ___ Lincoln was born in.A.when B.Where C.who D.which 已知多项式3x三次方+ax²+bx+42能被多项式x²-5x+6整除,求a、b的值 已知多项式3x³＋ax²+bx+42能被多项式x²－5x＋6整除,求a、b的值. 这倒多项式咋做?3X^3 +aX^2+bX+42能被X^2-5X+6整除,求a,b的值 已知 a的2次方+4a+b的2次方-6b+13=0 求a、b的值 若a的2次方+b的2次方+4a—6b+13=0,试求a的b次方的值 the twins were born () a Friday evening.括号里面填什么介词?为什么不能是in 或at呢? 改错Who give you the present?He was born in the evening of 3rd September.Give Li Lei and I sometomatoes,please. he was born ___the evening ____the april 8tha.in;inb.on;onc.on;ofd.in;ofthank you ___a new pen_____me.()a.for buying;tob.to buy;toc.buying;ford.for buying;for He was born___the evening____March 2nd. she was born on the evening of March 2nd中介词的用法与不同为什么不能说she was born in the evening of March 2ndshe was born on the evening on March 2ndshe was born in the evening in March 2nd为什么? 化简 3√8-5√32 ,7√3没说完,看下面化简 3√8-5√32 ,7√3-√3分之一 ,√40-5√十分之一+√10 ,√5分之√20+√5-2 ,3√分之√12+√27 ,(√3+√2）×（√3+√2） ,2√12+3√48 ,√七分之一+√28-√700 ,√32-3 化简下面各比0.3:0.5