Issolvi [{-81/-7}^2-(-9)]*(-11)+(-1)

$$[ \{ \frac { - 81 } { - 7 } \} ^ { 2 } - ( - 9 ) ] \cdot ( - 11 ) + ( - 1 )$$

Evalwa

$$-\frac{77071}{49}\approx -1572.87755102$$

Passi tas-Soluzzjonijiet

Frazzjoni \frac{-81}{-7} tista' tiġi ssimplifikata għal \frac{81}{7} bit-tneħħija tas-sinjal negattiv min-numeratur u d-denominatur.

$$\left(\left(\frac{81}{7}\right)^{2}-\left(-9\right)\right)\left(-11\right)-1$$

Ikkalkula \frac{81}{7} bil-power ta' 2 u tikseb \frac{6561}{49}.

$$\left(\frac{6561}{49}-\left(-9\right)\right)\left(-11\right)-1$$

L-oppost ta' -9 huwa 9.

$$\left(\frac{6561}{49}+9\right)\left(-11\right)-1$$

Żid \frac{6561}{49} u 9 biex tikseb \frac{7002}{49}.

$$\frac{7002}{49}\left(-11\right)-1$$

Immultiplika \frac{7002}{49} u -11 biex tikseb -\frac{77022}{49}.

$$-\frac{77022}{49}-1$$

Naqqas 1 minn -\frac{77022}{49} biex tikseb -\frac{77071}{49}.

$$-\frac{77071}{49}$$

Fattur

$$-\frac{77071}{49} = -1572\frac{43}{49} = -1572.8775510204082$$