erweitern (5(192sqrt(3)-421))/(22)

Lösung

erweitern

\frac{5 ( 192 3 - 421 )}{22}

\frac{480 3}{11} - \frac{2105}{22}

Dezimale

- 20.10141 \dots

Schritte zur Lösung

\frac{5 ( 192 3 - 421 )}{22}

Multipliziere aus

5 (1923 - 421) : 9603 - 2105

= \frac{960 3 - 2105}{22}

Wende Bruchregel an:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{960 3 - 2105}{22} = \frac{960 3}{22} - \frac{2105}{22}

= \frac{960 3}{22} - \frac{2105}{22}

Streiche

\frac{960 3}{22} : \frac{480 3}{11}

= \frac{480 3}{11} - \frac{2105}{22}

e x p an d \frac{k ( k + 1 ) ( k - 1 )}{3}

e x p an d 144 t^{2} + (9 cos^{2} (t) + 9 cos (t) sin (t))^{2}

e x p an d (2 r cos (t) + x cos (t))^{2}

e x p an d (x + 7) 7 x - 9

e x p an d (6 + 5) {+}