Whakaoti i te 7.85*7.85+2*7.85*2.15+2.15*2.15

$$7.85 \times 7.85 + 2 \times 7.85 \times 2.15 + 2.15 \times 2.15$$

Aromātai

$$100$$

Ngā Upane Otinga

Whakareatia te 7.85 ki te 7.85, ka 61.6225.

$$61.6225+2\times 7.85\times 2.15+2.15\times 2.15$$

Whakareatia te 2 ki te 7.85, ka 15.7.

$$61.6225+15.7\times 2.15+2.15\times 2.15$$

Whakareatia te 15.7 ki te 2.15, ka 33.755.

$$61.6225+33.755+2.15\times 2.15$$

Tāpirihia te 61.6225 ki te 33.755, ka 95.3775.

$$95.3775+2.15\times 2.15$$

Whakareatia te 2.15 ki te 2.15, ka 4.6225.

$$95.3775+4.6225$$

Tāpirihia te 95.3775 ki te 4.6225, ka 100.

$$100$$

Tauwehe

$$2^{2}\times 5^{2}$$