Whakaoti i te 272.4*120+955.4*60-800.3*105/2

$$272.4 \cdot 120+955.4 \cdot 60- \frac{ 800.3 \cdot 105 }{ 2 }$$

Aromātai

$$47996.25$$

Ngā Upane Otinga

Whakareatia te 272.4 ki te 120, ka 32688.

$$32688+955.4\times 60-\frac{800.3\times 105}{2}$$

Whakareatia te 955.4 ki te 60, ka 57324.

$$32688+57324-\frac{800.3\times 105}{2}$$

Tāpirihia te 32688 ki te 57324, ka 90012.

$$90012-\frac{800.3\times 105}{2}$$

Whakareatia te 800.3 ki te 105, ka 84031.5.

$$90012-\frac{84031.5}{2}$$

Whakarohaina te \frac{84031.5}{2} mā te whakarea i te taurunga me te tauraro ki te 10.

$$90012-\frac{840315}{20}$$

Whakahekea te hautanga \frac{840315}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$90012-\frac{168063}{4}$$

Me tahuri te 90012 ki te hautau \frac{360048}{4}.

$$\frac{360048}{4}-\frac{168063}{4}$$

Tā te mea he rite te tauraro o \frac{360048}{4} me \frac{168063}{4}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{360048-168063}{4}$$

Tangohia te 168063 i te 360048, ka 191985.

$$\frac{191985}{4}$$

Tauwehe

$$\frac{3 \cdot 5 \cdot 12799}{2 ^ {2}} = 47996\frac{1}{4} = 47996.25$$