早教吧作业答案频道 -->数学-->
GRE数学题jillhas6xredmarblesand4ygreenmarbles.billhashalfasmanyredmarblesasjill,buthehastwiceasmanyredmarblesandgreenmarblescombinedasjill这道题我的答案是12x+8y正确答案是12x+8yhehastwiceasmanyred
题目详情
GRE 数学题
jill has 6x red marbles and 4y green marbles. bill has half as many red marbles as jill, but he has twice as many red marbles and green marbles combined as jill
这道题我的答案是12x+8y
正确答案是12x+8y
he has twice as many red marbles and green marbles combined as jill 这句是不是我理解错了 请指教
jill has 6x red marbles and 4y green marbles. bill has half as many red marbles as jill, but he has twice as many red marbles and green marbles combined as jill
这道题我的答案是12x+8y
正确答案是12x+8y
he has twice as many red marbles and green marbles combined as jill 这句是不是我理解错了 请指教
▼优质解答
答案和解析
对不起,你写的两个答案有区别吗?bill has half as many red marbles as jill,B的红球是J的一半,故有3X个,he has twice as many red marbles and green marbles combined as jill ,总共的球是J的两倍,故总共有12X+8Y个,若求绿球就是9X+8Y个,
看了 GRE数学题jillhas6...的网友还看了以下：
含有定积分形式的非线性方程组 用matlab 该怎么求解~~Parameters a,b,c,d, 2020-05-16 …
x^=e^lnx^n是怎么推导出来的x^n=e^lnx^n 2020-06-12 …
求定积分：((x^n)*(e^x))/(1+(e^x)),当n趋向于无穷时,x在0到1的定积分,怎 2020-06-14 …
已知X~N(-2,0.4^2)求E(X+3)^216我觉得应该用D(x+3)=E(X+3)²-[E 2020-07-18 …
MATLAB中解方程问题a*exp(x)*x^2+b*exp(x)*x+c*exp(x)+d*x^ 2020-07-23 …
无穷极数问题为什么:E(x^n)-E((-x)^n)=(1/2)*(E((2x)^(2n+1))) 2020-07-31 …
MATLAB非线性方程组问题.M文件有了,问题是工作区的代码怎么写啊,最好能输出到EXCEL中.fu 2020-11-01 …
微积分分部积分有e时的特殊情况(e微分还是e）要怎么简短的证明∫(x^n)(e^x)dx=[(x^n 2020-12-12 …
用罗彼塔法求3个极限1,limx趋向于正无穷x^n/e^ax(a>0,n为正整数)2,limx趋向于 2020-12-15 …
下列极限问题不能用洛必达法则求解的是（）,为什么呢A.lim(x^2sin1/x)/sinxx趋于0 2021-02-16 …