Whakaoti i te 10^3*98*120*10^-3-10^3*98*200*10^-3-920*98*120*{10}^-3

$${ 10 }^{ 3 } \times 98 \times 120 \times { 10 }^{ -3 } - { 10 }^{ 3 } \times 98 \times 200 \times { 10 }^{ -3 } -920 \times 98 \times 120 \times { 10 }^{ -3 }$$

Aromātai

$$-\frac{93296}{5}=-18659.2$$

Ngā Upane Otinga

Whakareatia te 10^{3} ki te 10^{-3}, ka 1.

$$98\times 120-10^{3}\times 98\times 200\times 10^{-3}-920\times 98\times 120\times 10^{-3}$$

Whakareatia te 10^{3} ki te 10^{-3}, ka 1.

$$98\times 120-98\times 200-920\times 98\times 120\times 10^{-3}$$

Whakareatia te 98 ki te 120, ka 11760.

$$11760-98\times 200-920\times 98\times 120\times 10^{-3}$$

Whakareatia te 98 ki te 200, ka 19600.

$$11760-19600-920\times 98\times 120\times 10^{-3}$$

Tangohia te 19600 i te 11760, ka -7840.

$$-7840-920\times 98\times 120\times 10^{-3}$$

Whakareatia te 920 ki te 98, ka 90160.

$$-7840-90160\times 120\times 10^{-3}$$

Whakareatia te 90160 ki te 120, ka 10819200.

$$-7840-10819200\times 10^{-3}$$

Tātaihia te 10 mā te pū o -3, kia riro ko \frac{1}{1000}.

$$-7840-10819200\times \frac{1}{1000}$$

Whakareatia te 10819200 ki te \frac{1}{1000}, ka \frac{54096}{5}.

$$-7840-\frac{54096}{5}$$

Tangohia te \frac{54096}{5} i te -7840, ka -\frac{93296}{5}.

$$-\frac{93296}{5}$$

Tauwehe

$$-\frac{93296}{5} = -18659\frac{1}{5} = -18659.2$$