Whakaoti i te 1+(3+42-6)2-(5-7)2

$$1+(3+42-6)2-(5-7)2$$

Aromātai

$$83$$

Ngā Upane Otinga

Tāpirihia te 3 ki te 42, ka 45.

$$1+\left(45-6\right)\times 2-\left(5-7\right)\times 2$$

Tangohia te 6 i te 45, ka 39.

$$1+39\times 2-\left(5-7\right)\times 2$$

Whakareatia te 39 ki te 2, ka 78.

$$1+78-\left(5-7\right)\times 2$$

Tāpirihia te 1 ki te 78, ka 79.

$$79-\left(5-7\right)\times 2$$

Tangohia te 7 i te 5, ka -2.

$$79-\left(-2\times 2\right)$$

Whakareatia te -2 ki te 2, ka -4.

$$79-\left(-4\right)$$

Ko te tauaro o -4 ko 4.

$$79+4$$

Tāpirihia te 79 ki te 4, ka 83.

$$83$$

Tauwehe

$$83$$