(x+2021)/4+(x+5)/2020=(x+2019)/6+(x+7)/2018
There are 4 houses, A, B, C and C and a point O were CB and AD segments cross.
The CAO angle is 36°, OAB is 43°, ABO is 48° and...
The CAO angle is 36°, OAB is 43°, ABO is 48° and O...
(x+1/x)=3
(y^2/2p)^2+y^2-16y+46=0
determine as somas dos 20 primeiros termos sendo 59 o 20 termo
(x+1/x)²=3²
x - 9 + 3x + 2 = 21 - 3x
The widths (in meters) of a kidney-shaped swimming pool were measured at 2-meter intervals as indicated in the figure. Use the Mid...
regroup and rename the number 5,300 equals how much in tens
