- 1 : 1 \frac { 1 } { 3 } - [ - 0,75 ) =
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\frac{-3}{1\times 3+1}-\left(-0,75\right)
Divide -1 by \frac{1\times 3+1}{3} by multiplying -1 by the reciprocal of \frac{1\times 3+1}{3}.
\frac{-3}{3+1}-\left(-0,75\right)
Multiply 1 and 3 to get 3.
\frac{-3}{4}-\left(-0,75\right)
Add 3 and 1 to get 4.
-\frac{3}{4}-\left(-0,75\right)
Fraction \frac{-3}{4} can be rewritten as -\frac{3}{4} by extracting the negative sign.
-\frac{3}{4}+0,75
The opposite of -0,75 is 0,75.
0
Add -\frac{3}{4} and 0,75 to get 0.
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