" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b) - 1/6 (0,5b + 3)= - 1/6 ( 1/2 b - 3)= - 1/12 b - 3/6= - 1/12 b - 1/2
c) -0,7 (2c - 0,4)= - 1,4 c + 0,28
d) 3x (- 2 + 0,3x)= - 6x + 0,9 x^ ( uwaga: ^ ----->oznacza do kwadratu)
e) 2/5y (20y - 0,5)= 40y/5y - 1/5y= 8 - 1/5 y
f) - 1,2 z (0,1 - 5z)= - 0,12 z + 6z ^
g) - 25 * 3s-4/5= - 75s +100/5= - 15s + 20
h) 16 t* 5-2t/8 = 80t - 32t^/8 = = 10 t - 4 t^
i) 3 (-a +4) - 1/2 ( 6-a)= -3a + 12 - 3 + 1/2 a= - 2 1/2a + 9
j) 1,1 ( 2b - 5) - 0,8 ( 2 - 0,36)= 2,2b - 5,5 - 1,6 + 0,288 = 2,2b - 6,812
k) 15 * 2y -5/3 - 8 * 3 - 7y/4=
30y - 75/3 - 24 + 56y/4=
4 ( 30y - 75) - 3( 24 + 56 y)=
120y - 300 - 72 + 168y =288y - 372
l) 6s - 5/2 + ( - 2s + 7)/6=
6s - 5/2 - 2s + 7/6=
6( 6s -5) - 2( 2s + 7)=
36 s-30 -4s -14 = 32s - 44