Representing the Number 16

Give 10 ways to represent the number 16 using known numbers only

1. 28 -12 
2. (400/100)  + (20 – 6)
3. (3 x 2) + (100/20) + (2 + 5) -2
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Give 10 ways to represent the number 16 using unknown numbers and give value of unknowns at the end

1. mh + p m=5, h=3, p=1
2. 3g – 2 g = 6 
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Give 10 ways to represent the number 16 using unknown numbers and determine the value of unknowns 

1. h²
2. kl – 5
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