Whakaoti i te -3.4+0.018div(-0.09)-2.1

$$- 3.4 + 0.018 \div ( - 0.09 ) - 2.1$$

Aromātai

$$-5.7$$

Ngā Upane Otinga

Whakarohaina te \frac{0.018}{-0.09} mā te whakarea i te taurunga me te tauraro ki te 1000.

$$-3.4+\frac{18}{-90}-2.1$$

Whakahekea te hautanga \frac{18}{-90} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 18.

$$-3.4-\frac{1}{5}-2.1$$

Me tahuri ki tau ā-ira -3.4 ki te hautau -\frac{34}{10}. Whakahekea te hautanga -\frac{34}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$-\frac{17}{5}-\frac{1}{5}-2.1$$

Tā te mea he rite te tauraro o -\frac{17}{5} me \frac{1}{5}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{-17-1}{5}-2.1$$

Tangohia te 1 i te -17, ka -18.

$$-\frac{18}{5}-2.1$$

Me tahuri ki tau ā-ira 2.1 ki te hautau \frac{21}{10}.

$$-\frac{18}{5}-\frac{21}{10}$$

Ko te maha noa iti rawa atu o 5 me 10 ko 10. Me tahuri -\frac{18}{5} me \frac{21}{10} ki te hautau me te tautūnga 10.

$$-\frac{36}{10}-\frac{21}{10}$$

Tā te mea he rite te tauraro o -\frac{36}{10} me \frac{21}{10}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{-36-21}{10}$$

Tangohia te 21 i te -36, ka -57.

$$-\frac{57}{10}$$

Tauwehe

$$-5.7$$