The following equation is incorrect. Which two signs should be interchanged to correct the equation?
5 + 8 ÷ 40 - 20 x 25 = 6
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16 ÷ 8 - 5 x 2 + 6 = 9
14 ÷ 10 x 20 - 40 + 34 = 1
If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?
12 ÷ 4 - 15 x 10 + 2 = 8
18 ÷ 2 - 25 x 9 + 6 = 38
If 18$2 = 10, 8$4 = 6 and 12$18 = 15, then find the value of 7$9 = ?
18 x 12 - 6 ÷ 5 + 4 = 35