Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2015 — Grade 5 — semifinal Question 14

VTMO · VTMO 2015 — Grade 5 — semifinal

Question 14

$A = 5 \times 5$ table has row sums $10 , 13 , 15 , 16 , 17$. Its first four column sums are $9 , 8 , 14 , 25$. Find column $5$’s sum.

Question illustration
  1. $12$
  2. $13$
  3. $14$
  4. $15$
  5. $16$