Matematyka z plusem klasa 3 gimnazjum zadanie 3,4,5 strona 35-36 rozwiąż równania
3/35
b) x-100%
330 - 150%
c) x-100%
12- 3%
d) 200-100%
240-x
e) x-100%
300-1,5%
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b) x - 100%
330 - 150%
150x = 33000 / :150
x = 220
c) x - 100%
12 - 3%
3x = 1200 / :3
x = 400
d) 200 - 100%
240 - x
200x = 24000
x = 120
e) x - 100%
300 - 1,5%
1,5x = 30000
x = 2000