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math

posted by on .

can someone check my answers please

add
-3/5 +(8/35) = -13/35

find the reciprocal of 1/3 (9-4)= 5/3

subtract 7/9-(-13/18)=3/2

find the reciprocal of -1/9(-9-3)=4/3

  • math - ,

    the first three are correct.

    If the last is this:
    -1/9 * (-12/1), then the reciprocal is

    9/12 or 3/4

  • math - ,

    thank u

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