" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x = 4/5
spraw.
5 * 4/5 = 4
20/5 = 4
4 = 4
b)
x:3 1/2= -2 /mnożmy przez 3 1/2
x = (-2) * 3 1/2
x = -7
spr
-7 : 3 1/2 = -2
-7 : 3,5 = -2
-2 = -2
c)
3x - 4 = 5
3x = 5+4
3x = 9
x = 3
spr.
3*3 - 4 = 5
9 -4 = 5
5 =5