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2022-03-24 - 07:18

Arrange the signs and brackets so that the equations become true9 9 9 9 9=90. 9 9 9 9=9

Answers(1)
  • MysticScribe27
    March 25, 2022 в 03:31

    The correct equation is 9(9+9)/9 = 90.

    To make the equation true, the first step is to add parentheses around the two nine's that are being added together. This is necessary because without the parentheses, the equation would read 9 9 + 9 9, which would equal 18, not 90.

    The next step is to add a division sign between the parentheses and the last nine. This is necessary because without the division sign, the equation would read 9(9+9)9, which would equal 81, not 90.

    The final step is to add an equal sign between the equation and the number 90. This is necessary because without the equal sign, the equation would not be an equation at all, but just a mathematical expression.

    Therefore, the correct equation is 9(9+9)/9 = 90.

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