Whakaoti i te 72*72-52*52/62*2

$$\frac { 72 \times 72 - 52 \times 52 } { 62 \times 2 }$$

Aromātai

$$20$$

Ngā Upane Otinga

Whakareatia te 72 ki te 72, ka 5184.

$$\frac{5184-52\times 52}{62\times 2}$$

Whakareatia te 52 ki te 52, ka 2704.

$$\frac{5184-2704}{62\times 2}$$

Tangohia te 2704 i te 5184, ka 2480.

$$\frac{2480}{62\times 2}$$

Whakareatia te 62 ki te 2, ka 124.

$$\frac{2480}{124}$$

Whakawehea te 2480 ki te 124, kia riro ko 20.

$$20$$

Tauwehe

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