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Q: Plus 12 plus -13 plus plus 1?

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26

It evaluates to: 12+(-1)+(-1)+3 = 13

-1 + 13 = 12

13

13+(-12) = 1

1+12=13+15=28+2=30+29=59.

8 plus 1 times 12 minus 13 is equal to seven.

A bakers dozen. 12+1=13

Twelve plus one is 13. 12+1=13 twelve plus one = eleven plus two (Check it out--these two mathematical phrases are anagrams of one another.) it's easy 12 + 1 = 13 because you have to add 1 to 12 and that's how ya get 13!

3/4 plus 1/3 = 13/12 or 1 and 1/12

5/12 plus 1/8 = 13/24

12

It is: 3/4 plus 3/9 = 13/12 or 1 and 1/12

6/12 + 4/12 + 3/12 = 13/12 = 1 and 1/12

yes! 11+2=13 12+1=13

1 + ( 3) 4 =1 + 12 = 13

13

2(1+2+3+4+5+6+7+8+9+10+11+12+13+14) is the same as the question of the next part is supposed to be 14 plus 14. the answer is simply 1+2 and so on until 14, and then multiply by 2. The answer is 210.

13 if you refer to a number line. If you subract you will get -1-12 = -13

120

(1/3) + (1/4) + (1/2) = (4/12) + (3/12) + (6/12) = (13/12) or 1 and 1/12

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 210

13 + -12 - 5 = -4 13 + -12 = 1 - 5 = -4

153

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