Whakaoti i te =780*5/12+780*1/2

$$= 780 \times \frac { 5 } { 12 } + 780 \times \frac { 1 } { 2 }$$

Aromātai

$$715$$

Ngā Upane Otinga

Tuhia te 780\times \frac{5}{12} hei hautanga kotahi.

$$\frac{780\times 5}{12}+780\times \frac{1}{2}$$

Whakareatia te 780 ki te 5, ka 3900.

$$\frac{3900}{12}+780\times \frac{1}{2}$$

Whakawehea te 3900 ki te 12, kia riro ko 325.

$$325+780\times \frac{1}{2}$$

Whakareatia te 780 ki te \frac{1}{2}, ka \frac{780}{2}.

$$325+\frac{780}{2}$$

Whakawehea te 780 ki te 2, kia riro ko 390.

$$325+390$$

Tāpirihia te 325 ki te 390, ka 715.

$$715$$

Tauwehe

$$5\times 11\times 13$$