4000 ( 20 - a ) + 2500 ( 30 + 2 a k ) ( 1000
Aromātai
5000000ak-4000a+75080000
Whakaroha
5000000ak-4000a+75080000
Tohaina
Kua tāruatia ki te papatopenga
80000-4000a+2500\left(30+2ak\right)\times 1000
Whakamahia te āhuatanga tohatoha hei whakarea te 4000 ki te 20-a.
80000-4000a+2500000\left(30+2ak\right)
Whakareatia te 2500 ki te 1000, ka 2500000.
80000-4000a+75000000+5000000ak
Whakamahia te āhuatanga tohatoha hei whakarea te 2500000 ki te 30+2ak.
75080000-4000a+5000000ak
Tāpirihia te 80000 ki te 75000000, ka 75080000.
80000-4000a+2500\left(30+2ak\right)\times 1000
Whakamahia te āhuatanga tohatoha hei whakarea te 4000 ki te 20-a.
80000-4000a+2500000\left(30+2ak\right)
Whakareatia te 2500 ki te 1000, ka 2500000.
80000-4000a+75000000+5000000ak
Whakamahia te āhuatanga tohatoha hei whakarea te 2500000 ki te 30+2ak.
75080000-4000a+5000000ak
Tāpirihia te 80000 ki te 75000000, ka 75080000.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}