" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1.
a)
x = 180-30-85
x = 65
b)
2x+x = 180-60
3x = 120 /:30
x = 40
2x = 80
2.
a)
x = 30
180-50-30 = 180-80 = 100
y = 180-100
y = 800
b)
98+40 = 138
x = 180-138-20
x = 22
180-138 = 42
y = 180-90-42
y = 48
3.
a)
180-51*2 = 180-102 = 78
51-51-78
b)
180-55*2 = 180-110 = 70
55-55-70
c)
180-94-48 = 180-142 = 38
48-38-94
Jeśli się doczytałam.