Whakaoti i te 10div[3+6div{2+4div2+4-(4div2)}]

$$10 \div [ 3 + 6 \div \{ 2 + 4 \div 2 + 4 - ( 4 \div 2 ) \} ]$$

Aromātai

$$\frac{5}{2}=2.5$$

Ngā Upane Otinga

Whakawehea te 4 ki te 2, kia riro ko 2.

$$\frac{10}{3+\frac{6}{2+2+4-\frac{4}{2}}}$$

Tāpirihia te 2 ki te 2, ka 4.

$$\frac{10}{3+\frac{6}{4+4-\frac{4}{2}}}$$

Tāpirihia te 4 ki te 4, ka 8.

$$\frac{10}{3+\frac{6}{8-\frac{4}{2}}}$$

Whakawehea te 4 ki te 2, kia riro ko 2.

$$\frac{10}{3+\frac{6}{8-2}}$$

Tangohia te 2 i te 8, ka 6.

$$\frac{10}{3+\frac{6}{6}}$$

Whakawehea te 6 ki te 6, kia riro ko 1.

$$\frac{10}{3+1}$$

Tāpirihia te 3 ki te 1, ka 4.

$$\frac{10}{4}$$

Whakahekea te hautanga \frac{10}{4} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$\frac{5}{2}$$

Tauwehe

$$\frac{5}{2} = 2\frac{1}{2} = 2.5$$