Whakaoti i te 0.5^2*0.4^2*0.1/2+0.4*5*10^-3*10*y=

$$\frac { 0.5 ^ { 2 } \times 0.4 ^ { 2 } \times 0.1 } { 2 } + 0.4 \times 5 \times 10 ^ { - 3 } \times 10 \times y =$$

Aromātai

$$\frac{y}{50}+0.002$$

Ngā Upane Otinga

Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te -3 me te 1 kia riro ai te -2.

$$\frac{0.5^{2}\times 0.4^{2}\times 0.1}{2}+0.4\times 5\times 10^{-2}y$$

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

$$\frac{0.25\times 0.4^{2}\times 0.1}{2}+0.4\times 5\times 10^{-2}y$$

Tātaihia te 0.4 mā te pū o 2, kia riro ko 0.16.

$$\frac{0.25\times 0.16\times 0.1}{2}+0.4\times 5\times 10^{-2}y$$

Whakareatia te 0.25 ki te 0.16, ka 0.04.

$$\frac{0.04\times 0.1}{2}+0.4\times 5\times 10^{-2}y$$

Whakareatia te 0.04 ki te 0.1, ka 0.004.

$$\frac{0.004}{2}+0.4\times 5\times 10^{-2}y$$

Whakarohaina te \frac{0.004}{2} mā te whakarea i te taurunga me te tauraro ki te 1000.

$$\frac{4}{2000}+0.4\times 5\times 10^{-2}y$$

Whakahekea te hautanga \frac{4}{2000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$\frac{1}{500}+0.4\times 5\times 10^{-2}y$$

Whakareatia te 0.4 ki te 5, ka 2.

$$\frac{1}{500}+2\times 10^{-2}y$$

Tātaihia te 10 mā te pū o -2, kia riro ko \frac{1}{100}.

$$\frac{1}{500}+2\times \frac{1}{100}y$$

Whakareatia te 2 ki te \frac{1}{100}, ka \frac{1}{50}.

$$\frac{1}{500}+\frac{1}{50}y$$

Tauwehe

$$\frac{10y+1}{500}$$

Ngā Upane Otinga

Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te -3 me te 1 kia riro ai te -2.

$$factor(\frac{0.5^{2}\times 0.4^{2}\times 0.1}{2}+0.4\times 5\times 10^{-2}y)$$

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

$$factor(\frac{0.25\times 0.4^{2}\times 0.1}{2}+0.4\times 5\times 10^{-2}y)$$

Tātaihia te 0.4 mā te pū o 2, kia riro ko 0.16.

$$factor(\frac{0.25\times 0.16\times 0.1}{2}+0.4\times 5\times 10^{-2}y)$$

Whakareatia te 0.25 ki te 0.16, ka 0.04.

$$factor(\frac{0.04\times 0.1}{2}+0.4\times 5\times 10^{-2}y)$$

Whakareatia te 0.04 ki te 0.1, ka 0.004.

$$factor(\frac{0.004}{2}+0.4\times 5\times 10^{-2}y)$$

Whakarohaina te \frac{0.004}{2} mā te whakarea i te taurunga me te tauraro ki te 1000.

$$factor(\frac{4}{2000}+0.4\times 5\times 10^{-2}y)$$

Whakahekea te hautanga \frac{4}{2000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$factor(\frac{1}{500}+0.4\times 5\times 10^{-2}y)$$

Whakareatia te 0.4 ki te 5, ka 2.

$$factor(\frac{1}{500}+2\times 10^{-2}y)$$

Tātaihia te 10 mā te pū o -2, kia riro ko \frac{1}{100}.

$$factor(\frac{1}{500}+2\times \frac{1}{100}y)$$

Whakareatia te 2 ki te \frac{1}{100}, ka \frac{1}{50}.

$$factor(\frac{1}{500}+\frac{1}{50}y)$$

Tauwehea te \frac{1}{500}.

$$\frac{1+10y}{500}$$