Question

Please help me!!

Make: 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 using 1, 2, 3, 4, 5 and any arithmetic operations.

Answer 1

`5 * 2 + 1 = 11 \\ 4 * 3 = 12 \\ 2 * 5 + 3 = 13 \\ 2 + 3 + 4 + 5 = 14 \\ 3 * 5 = 15 \\ 3 * 5 + 1 = 16 \\ 4 * 3 + 5 = 17 \\ (4 + 2) * 3 = 18 \\ (4 + 2) * 3 + 1= 19 \\ 4 * 5 = 20`

Hope it helps you !