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SASMO 2027 · Grades 4-5 · SET 008 · Self-study Question 18

SASMO · SASMO 2027 · Grades 4-5 · SET 008 · Self-study

Question 18

Which signs replace ○ and □ so that $2+8+3=2\mathbin{\circ}8\mathbin{\square}3$ is correct? Use ordinary order of operations.
  1. \+ for ○; × for □
  2. × for ○; − for □
  3. \+ for ○; ÷ for □
  4. × for ○; ÷ for □
  5. × for ○; + for □