Whakaoti i te 1/4(-2.83)^4-2(-2.83)^2

$$\frac { 1 } { 4 } ( - 2.83 ) ^ { 4 } - 2 ( - 2.83 ) ^ { 2 }$$

Aromātai

$$0.0178198025$$

Ngā Upane Otinga

Tātaihia te -2.83 mā te pū o 4, kia riro ko 64.14247921.

$$\frac{1}{4}\times 64.14247921-2\left(-2.83\right)^{2}$$

Me tahuri ki tau ā-ira 64.14247921 ki te hautau \frac{6414247921}{100000000}.

$$\frac{1}{4}\times \frac{6414247921}{100000000}-2\left(-2.83\right)^{2}$$

Me whakarea te \frac{1}{4} ki te \frac{6414247921}{100000000} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{1\times 6414247921}{4\times 100000000}-2\left(-2.83\right)^{2}$$

Mahia ngā whakarea i roto i te hautanga \frac{1\times 6414247921}{4\times 100000000}.

$$\frac{6414247921}{400000000}-2\left(-2.83\right)^{2}$$

Tātaihia te -2.83 mā te pū o 2, kia riro ko 8.0089.

$$\frac{6414247921}{400000000}-2\times 8.0089$$

Whakareatia te 2 ki te 8.0089, ka 16.0178.

$$\frac{6414247921}{400000000}-16.0178$$

Me tahuri ki tau ā-ira 16.0178 ki te hautau \frac{160178}{10000}. Whakahekea te hautanga \frac{160178}{10000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$\frac{6414247921}{400000000}-\frac{80089}{5000}$$

Ko te maha noa iti rawa atu o 400000000 me 5000 ko 400000000. Me tahuri \frac{6414247921}{400000000} me \frac{80089}{5000} ki te hautau me te tautūnga 400000000.

$$\frac{6414247921}{400000000}-\frac{6407120000}{400000000}$$

Tā te mea he rite te tauraro o \frac{6414247921}{400000000} me \frac{6407120000}{400000000}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{6414247921-6407120000}{400000000}$$

Tangohia te 6407120000 i te 6414247921, ka 7127921.

$$\frac{7127921}{400000000}$$

Tauwehe

$$\frac{89 \cdot 283 ^ {2}}{2 ^ {10} \cdot 5 ^ {8}} = 0.0178198025$$