# What is 18 plus 18?

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Eighteen could be broken down to 10 and 8

So, if you are adding 18+18 then you could convert it into 10+10+8+8

20+16= 36

18 + 18= 36
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# What is 18 plus 18 plus 18?

18 + 18 + 18 = 54

# 18 plus 18 plus 18 plus 18 equals?

72 but there is such a thing as a CALCULATOR

# What is 16 plus 16 plus 18 plus 18?

16 + 16 + 18 + 18 = 68

7904

18 + 437 = 455

18+15=33

18 + 3 = 21

60

36

# What is 18 plus 18 plus 18 plus 19 plus 23 plus 23 plus 24 plus 24 equals?

18+18+18+19+23+23+24+24=167

-36

72. 18*4=72

# 18 plus 18 plus 18 plus 18 equals U?

U = 4 x 18 U = 72

# What is 18 plus 18 plus 15?

18 plus 18 plus 15 is equal to 51.

18 + 18 = 36
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# What is ( plus 12) plus (-18)?

It is the same as 12-18 = -6

3818 + 18 = 3836