Matematyka z plusem klasa 6 zbiór zadań
zadanie 47 strona 91 zbiór zadań
Rozwiąż równania :
a) x+7=10
b) x-1=6
c) 3x+6=9
d) 5= 3+7x
e) 1/2x =11
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) x+7=10
x=3
b) x-1=6
x=7
c) 3x+6=9
3x=3 /:3
x=1
d) 5= 3+7x
-7x=3-5
-7x=-2 /:(-7)
x=2/7
e) 1/2x =11 /:1/2
x=11*2/1
x=22
a)
x + 7 = 10
x = 3
b)
x - 1 = 6
x = 7
c)
3x + 6 = 9
3x = 3 / :3
x = 1
d)
5 = 3 + 7x
- 7x = 3 - 5
- 7x = - 2 / :(-7)
x = ²/₇
e)
½x = 11 / :½
x = 11 * ²/₁
x = 22