Question

Please help me!!

Answer 1

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

Hope it helps you !