Question

-1\(\frac{1}{4}\)-( -2,25)

Answer 1

\(-1\frac{1}{4}-\left(-2.25\right)\)

=\(-\frac{5}{4}-\left(-2.25\right)\)

hay\(-1.25-\left(-2.25\right)=1\)

      T ủng hộ mk nha bạn ^...^ ^_^

Answer 2

\(-1\frac{1}{4}-\left(-2,5\right)=\frac{-5}{4}-\frac{-5}{2}=\frac{-5}{4}-\frac{-10}{4}=\frac{\left(-5\right)-\left(-10\right)}{4}=\frac{5}{4}\)