SAT官方每日一题数学(9.1)
问题相似?试试立即获取解答吧~
摘要:9月1日SAT官方数学每日一题,持续更新中
9.1 SAT官方数学每日一练
Mathematics>Standard Multiple Choice
If w is nonzero, which of the following expressions is equivalent to the expression above?
A:0
B:1
C:
D:
Answer B
EXPLANATION
Choice B is correct. Rewrite the expression using the following fact:
Xm·Xn=X(m+n)
The expression becomes
Proceed using another fact:
The equivalent expression is 1.
难度系数:简单
每日提分任务
专业提分资料
全程督学答疑