Whakaoti i te 31/4-4*(-0.5)^2

$$3 \frac { 1 } { 4 } - 4 \cdot ( - 0.5 ) ^ { 2 }$$

Aromātai

$$2.25$$

Ngā Upane Otinga

Whakareatia te 3 ki te 4, ka 12.

$$\frac{12+1}{4}-4\left(-0.5\right)^{2}$$

Tāpirihia te 12 ki te 1, ka 13.

$$\frac{13}{4}-4\left(-0.5\right)^{2}$$

Tātaihia te -0.5 mā te pū o 2, kia riro ko 0.25.

$$\frac{13}{4}-4\times 0.25$$

Whakareatia te 4 ki te 0.25, ka 1.

$$\frac{13}{4}-1$$

Me tahuri te 1 ki te hautau \frac{4}{4}.

$$\frac{13}{4}-\frac{4}{4}$$

Tā te mea he rite te tauraro o \frac{13}{4} me \frac{4}{4}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{13-4}{4}$$

Tangohia te 4 i te 13, ka 9.

$$\frac{9}{4}$$

Tauwehe

$$\frac{3 ^ {2}}{2 ^ {2}} = 2\frac{1}{4} = 2.25$$