Whakaoti i te 3(52-7)-2(92-11)=4(8-13)+77

$$3 ( 52 - 7 ) - 2 ( 92 - 11 ) = 4 ( 8 - 13 ) + 77$$

Manatoko

Ngā Upane Otinga

Tangohia te 7 i te 52, ka 45.

$$3\times 45-2\left(92-11\right)=4\left(8-13\right)+77$$

Whakareatia te 3 ki te 45, ka 135.

$$135-2\left(92-11\right)=4\left(8-13\right)+77$$

Tangohia te 11 i te 92, ka 81.

$$135-2\times 81=4\left(8-13\right)+77$$

Whakareatia te 2 ki te 81, ka 162.

$$135-162=4\left(8-13\right)+77$$

Tangohia te 162 i te 135, ka -27.

$$-27=4\left(8-13\right)+77$$

Tangohia te 13 i te 8, ka -5.

$$-27=4\left(-5\right)+77$$

Whakareatia te 4 ki te -5, ka -20.

$$-27=-20+77$$

Tāpirihia te -20 ki te 77, ka 57.

$$-27=57$$

Whakatauritea te -27 me te 57.

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