Tīpoka ki ngā ihirangi matua
Aromātai
Tick mark Image
Tauwehe
Tick mark Image

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-\frac{81}{2}+9\times \frac{9}{2}+18
Tātaihia te 9 mā te pū o 2, kia riro ko 81.
-\frac{81}{2}+\frac{9\times 9}{2}+18
Tuhia te 9\times \frac{9}{2} hei hautanga kotahi.
-\frac{81}{2}+\frac{81}{2}+18
Whakareatia te 9 ki te 9, ka 81.
18
Tāpirihia te -\frac{81}{2} ki te \frac{81}{2}, ka 0.