Open-ended - With worked solutions · SET 10 Question 10

Write +, −, × or ÷ in each circle to make each number sentence true: 9 ○ 4 = 3 ○ 2; 12 ○ 6 = 8 ○ 4; 3 ○ 1 ○ 1 = 20 ○ 4.