the numbers 987654321 are written out in a row. place between them exactly two minus signs so that the value of the expression obtained is the minimum

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

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