猜你喜欢
- 1动物园里猩猩和猴子共有95只,其中猴子数量是猩猩的5倍,猴子和猩猩各有多少只?
- 2设二维随机变量（X,Y）的概率密度为f（x,y）=｛c,0≤x≤2,0≤y≤2 0,其他.求常数C
- 31.重阳节时,小丽陪奶奶去爬山,用30分走了全程的五分之二,休息一会,接着又用40分走了全程的一半,最后用5分登上了山顶.最后五分走的路程是全程的几分之几.
- 4哪些词指太阳?
- 5i like music that i can dance to对划线部分提问
- 6they have a book sale (in march)画线提问
- 7能简算的要简算（写出计算过程） 1/4+1/5+1/2、4/7+8/21+1/3、7/8+5/36-1/8、5/12+3/8+1/24
- 8The people were worried about Tom because no one was aware ________ he had gone
- 9已知圆锥的表面积为a,且它的侧面展开图是一个半圆,则这个圆锥的底面半径为?
- 10what is he doing now