1/10×20/5
((((465 - 440)(1600 - 1400))(1600-1500))*100)
(x2+x-2) (2x-2)
lim x3-2x2+x
X-1
-2.[(3^138:3^137+2):5-1]-5
(1.74x 10^6)^2
-2.[(3^138:3^137+2):5-1]+³√-125
fully factorize 6x minus 9
0.52+n=6.24
25=n-17
rewrite the ratio 1:13 as an equivalent of the form n:1
