Skip to content / Đến nội dung
ThichHocToan.com

IMC 2023 Grade 4 — ROUND 1 Question 18

IMC · IMC 2023 Grade 4 — ROUND 1

Question 18

There are six blue cards numbered 1 to 6, five red cards numbered 1 to 5 and four yellow cards numbered 1 to 4. How many ways are there to draw three cards such as that all three have different color and different number?