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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3-\left(-2-\left(-1+6\right)-3\right)+7
Ko te tauaro o -6 ko 6.
3-\left(-2-5-3\right)+7
Tāpirihia te -1 ki te 6, ka 5.
3-\left(-7-3\right)+7
Tangohia te 5 i te -2, ka -7.
3-\left(-10\right)+7
Tangohia te 3 i te -7, ka -10.
3+10+7
Ko te tauaro o -10 ko 10.
13+7
Tāpirihia te 3 ki te 10, ka 13.
20
Tāpirihia te 13 ki te 7, ka 20.