If T is the set of even integers and S is the set of integer
If T is the set of even integers and S is the set of integers that are divisible by 7,which of the following integers is NOT contained in set T and is NOT contained in set
A 4
B 10
C 28
D35
E39
额第一道爆容易我看错题目了。
应该是下面这道
还有一道
Marsha is making a necklace.She starts with 2 red beads,3 white beads,and 4 blue beads,in that orde,and repeats the pattern until there is no more room on the necklace.If the last bead is white .which of the following coule be the total number of beads on the necklace.
A 80
B 78
C 76
D 74
E 72