Question

(-1/6-1/16+3/4-1/12)*(-45)

Answer 1

(-1/6-1/16+3/4-1/12)*(-45)

=[(3/4-1/16)-(1/6+1/12)]*(-45)

=[(12/16-1/16)-(2/12+1/12)]*(-45)

=(11/16-3/12)*(-45)

=(11/16-1/4)*(-45)

=(11/16-4/16)*(-45)

=7/16*(-45)

=-315/16或-19.6875

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