Lahenda -663div4pi*1/36pi*10^-9

$$-663 \div 4 \pi \times \frac{ 1 }{ 36 } \pi \times { 10 }^{ -9 }$$

Arvuta

$$-\frac{221\pi ^{2}}{48000000000}\approx -0,000000045$$

Lahenduse etapid

Korrutage \pi ja \pi , et leida \pi ^{2}.

$$\frac{-663}{4}\pi ^{2}\times \frac{1}{36}\times 10^{-9}$$

Murru \frac{-663}{4} saab ümber kirjutada kujul -\frac{663}{4}, kui välja eraldada miinusmärk.

$$-\frac{663}{4}\pi ^{2}\times \frac{1}{36}\times 10^{-9}$$

Korrutage -\frac{663}{4} ja \frac{1}{36}, et leida -\frac{221}{48}.

$$-\frac{221}{48}\pi ^{2}\times 10^{-9}$$

Arvutage -9 aste 10 ja leidke \frac{1}{1000000000}.

$$-\frac{221}{48}\pi ^{2}\times \frac{1}{1000000000}$$

Korrutage -\frac{221}{48} ja \frac{1}{1000000000}, et leida -\frac{221}{48000000000}.

$$-\frac{221}{48000000000}\pi ^{2}$$