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This is a Korean CSAT mathematics multiple-choice problem. Solve it and put only the correct choice symbol, one of ①, ②, ③, ④, ⑤, inside \boxed{}.
Problem 23 Let⃗ a= (4,1) and ⃗b= (−1,−1). Compute the sum of all components of the vector⃗ a+ ⃗b. [2 points] 16 ①1 ②2 ③3 ④4 ⑤5
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로그인 회원가입 You are solving a Korean CSAT mathematics problem. Reason carefully, but the final response must contain exactly one final answer inside \boxed{}.
For multiple-choice problems, put only one of ①, ②, ③, ④, ⑤ inside \boxed{}. For short-answer problems, put only the final integer inside \boxed{}. Do not use external tools.
Problem 23 Let⃗ a= (4,1) and ⃗b= (−1,−1). Compute the sum of all components of the vector⃗ a+ ⃗b. [2 points] 16 ①1 ②2 ③3 ④4 ⑤5 더보기
The vector sum is:
𝑎 ⃗ + 𝑏 ⃗
( 4 + ( − 1 ) , 1 + ( − 1 ) )
( 3 , 0 ) a + b =(4+(−1),1+(−1))=(3,0)
Sum of all components: 3 + 0
3 3+0=3.
\boxed{③}
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Comparative Analysis (P38) (Average across runs)
Averages use reported measurements only. Missing usage is not treated as zero.