设乙为x,甲为2x,丙为1/2x.
x+2x+1/2x＝140
x=40
∴甲=80
丙=20
乙=40
∴乘积=80×20×40＝64000
甲乙丙三个数的和140,甲等于乙的2倍,乙等于丙的2倍,甲乙丙三个数相乘积是多少
甲乙丙三个数的和140,甲等于乙的2倍,乙等于丙的2倍,甲乙丙三个数相乘积是多少
数学人气：182 ℃时间：2019-10-19 20:45:07
优质解答
我来回答
类似推荐
猜你喜欢
- 1Tom visits the Shanghai every year?提问：Where does tom visit every year?不对怎
- 2I know what u want to know什么意思
- 3周长都是12.56分米的长方形、正方形和圆形,面积最大的是( )
- 4what is the matter?if something worries you,please tell me.I want to be your friend.
- 5Class Two,have to,the,test,on,study,for,the,Saturday,students,in,English 组成完整通顺句子
- 60.1mol/L BaCl2溶液100ml和0.8/L AgNO3溶液100ml充分混合后又加入0.6mol/L ZnSO4 100ml,最后溶液中浓度最
- 7我爱…（作文450字）
- 8Your father's brother's daughter is your ___.A_____has there hands and it can tell us the time.
- 9小明在期中测试中,语文、数学和英语三科的平均分时A分,英语得(
- 10当实数m为何值时,f（x）=x^2+2mx+3m+4.(1)有两个零点且两个零点分别位于x=1的异侧