By interchanging the given two signs and numbers which of the following equation will be correct?
 + and –, 7 and 3

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 33 * 4 * 15 * 3 * 61 = 188

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 31 * 29 * 43 * 85 * 5

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 57 * 35 * 44 * 11 * 13 * 40 

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 12 * 24 * 4 * 2 * 60

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 268 * 4 * 8 * 5 * 14 = 41

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 23 * 2 * 2 * 5 * 18

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 42 * 4 * 69 * 3 * 29 * 60 * 5