" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4g + 6s = 4,8
1g + 10s = 4,6 /*(-4)
4g + 6s = 4,8
-4g - 40s = -18,4
-34s= - 13,6 / :(-34)
s = 0,4
4g + 6s = 4,8
4g + 6*0,4 = 4,8
4g + 2,4 = 4,8
4g = 4,8 - 2,4
4g = 2,4
g = 0,6
s = 0,4
g = 0,6
2)
x+1/y+1 = 1/3
x-1/y-1 = 1/4
2x = 7/12 (bo 1/3 i 1/4 sprowadzamy do wspólnego mianownika)
x = 7/24
7/24 + 1/y + 1 = 1/3 / *24
7+24/y+24=8 /*y
7y+24+24y=8y
7y+24y-8y=-24
23y=-24
y= -24/23
y= -1 1/23
x= 7/24
y = -1 1/23