Whakaoti i te (30-37.2/4)10+50

$$( \frac{ 30-37.2 }{ 4 } )10+50$$

Aromātai

$$32$$

Ngā Upane Otinga

Tangohia te 37.2 i te 30, ka -7.2.

$$\frac{-7.2}{4}\times 10+50$$

Whakarohaina te \frac{-7.2}{4} mā te whakarea i te taurunga me te tauraro ki te 10.

$$\frac{-72}{40}\times 10+50$$

Whakahekea te hautanga \frac{-72}{40} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 8.

$$-\frac{9}{5}\times 10+50$$

Tuhia te -\frac{9}{5}\times 10 hei hautanga kotahi.

$$\frac{-9\times 10}{5}+50$$

Whakareatia te -9 ki te 10, ka -90.

$$\frac{-90}{5}+50$$

Whakawehea te -90 ki te 5, kia riro ko -18.

$$-18+50$$

Tāpirihia te -18 ki te 50, ka 32.

$$32$$

Tauwehe

$$2^{5}$$