Whakaoti i te sqrt{(17-8)}:sqrt{(5.4+1.6)}*2-5

$$\sqrt { ( 17 - 8 ) } : \sqrt { ( 5.4 + 1.6 ) } \cdot 2 - 5$$

Aromātai

$$\frac{6\sqrt{7}}{7}-5\approx -2.732213162$$

Ngā Hipanga Rongoā Poto

Tangohia te 8 i te 17, ka 9.

$$2\times \frac{\sqrt{9}}{\sqrt{5.4+1.6}}-5$$

Tātaitia te pūtakerua o 9 kia tae ki 3.

$$2\times \frac{3}{\sqrt{5.4+1.6}}-5$$

Tāpirihia te 5.4 ki te 1.6, ka 7.

$$2\times \frac{3}{\sqrt{7}}-5$$

Whakangāwaritia te tauraro o \frac{3}{\sqrt{7}} mā te whakarea i te taurunga me te tauraro ki te \sqrt{7}.

$$2\times \frac{3\sqrt{7}}{\left(\sqrt{7}\right)^{2}}-5$$

Ko te pūrua o \sqrt{7} ko 7.

$$2\times \frac{3\sqrt{7}}{7}-5$$

Tuhia te 2\times \frac{3\sqrt{7}}{7} hei hautanga kotahi.

$$\frac{2\times 3\sqrt{7}}{7}-5$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia 5 ki te \frac{7}{7}.

$$\frac{2\times 3\sqrt{7}}{7}-\frac{5\times 7}{7}$$

Tā te mea he rite te tauraro o \frac{2\times 3\sqrt{7}}{7} me \frac{5\times 7}{7}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{2\times 3\sqrt{7}-5\times 7}{7}$$

Mahia ngā whakarea i roto o 2\times 3\sqrt{7}-5\times 7.

$$\frac{6\sqrt{7}-35}{7}$$