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HKIMO 2017 Grade 5 National Final (Heat) Set 04 Question 18

HKIMO · HKIMO 2017 Grade 5 National Final (Heat) Set 04

Question 18

24 small cubes of side 1 cm are combined as shown. Find the total surface area in cm².

Question illustration

Source glossary (English–Vietnamese): Cubes: hình lập phương; Side length: độ dài cạnh; Combined: được ghép lại; Pattern: quy luật; Surface area: diện tích toàn phần.