AMC10 2021 A
AMC10 2021 A · Q1
AMC10 2021 A · Q1. It mainly tests Linear equations, Arithmetic misc.
What is the value of \[(2^2-2)-(3^2-3)+(4^2-4)\]
求$(2^2-2)-(3^2-3)+(4^2-4)$的值
(A)
1
1
(B)
2
2
(C)
5
5
(D)
8
8
(E)
12
12
Answer
Correct choice: (D)
正确答案：（D）
Solution
$(4-2)-(9-3)+(16-4)=2-6+12=8.$ This corresponds to $\boxed{\textbf{(D) } 8}.$
$(4-2)-(9-3)+(16-4)=2-6+12=8$。这对应 $\boxed{\textbf{(D) } 8}$。
Topics
Related Questions
Practice full AMC exams on amcdrill.
Try full-length practice and diagnostics at www.amcdrill.com.