Whakaoti i te 74-26/25:48/(-5)*15/4

$$\frac { 74 - 26 } { 25 } : \frac { 48 } { ( - 5 ) } \cdot \frac { 15 } { 4 }$$

Aromātai

$$-\frac{3}{4}=-0.75$$

Ngā Upane Otinga

Whakawehe \frac{74-26}{25} ki te \frac{48}{-5} mā te whakarea \frac{74-26}{25} ki te tau huripoki o \frac{48}{-5}.

$$\frac{\left(74-26\right)\left(-5\right)}{25\times 48}\times \frac{15}{4}$$

Me whakakore tahi te 5 i te taurunga me te tauraro.

$$\frac{-\left(74-26\right)}{5\times 48}\times \frac{15}{4}$$

Tangohia te 26 i te 74, ka 48.

$$\frac{-48}{5\times 48}\times \frac{15}{4}$$

Whakareatia te 5 ki te 48, ka 240.

$$\frac{-48}{240}\times \frac{15}{4}$$

Whakahekea te hautanga \frac{-48}{240} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 48.

$$-\frac{1}{5}\times \frac{15}{4}$$

Me whakarea te -\frac{1}{5} ki te \frac{15}{4} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{-15}{5\times 4}$$

Mahia ngā whakarea i roto i te hautanga \frac{-15}{5\times 4}.

$$\frac{-15}{20}$$

Whakahekea te hautanga \frac{-15}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$-\frac{3}{4}$$

Tauwehe

$$-\frac{3}{4} = -0.75$$