Skip to content / Đến nội dung
ThichHocToan.com

IMAS 2015 — Middle Primary Grades 3–4 — Round 1 Question 19

IMAS · IMAS 2015 — Middle Primary Grades 3–4 — Round 1

Question 19

What is the maximum value of the expression ()×()+()-( ) if a different number chosen from 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 is used to fill each bracketed space?
  1. 81
  2. 88
  3. 91
  4. 97
  5. 99