Question

11         13 -6---+(-8----) = 12         18

Answer 1

Вот, лови
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Answer 2

-6 11/12+(-8 13/18)=-15 23/36

Answer 3

It looks like you've written a mathematical expression with some unusual formatting. Let me help you solve it step by step:

11 + 13 - 6 + (-8) = 12 + 18

Now, let's simplify each side of the equation:

18 = 30

It seems that there is an error in the given equation, as 18 does not equal 30. Please double-check the expression or provide more context if needed.