Rozwiąz równania
1. 4 1/3x - 15 = 180
2. 6a do potegi 2 = 2a do potegi 2 + 30
1. 13/3x-15=180
13/3x=195 / *3/13
x=45
2.6a²=2a²+30
4a²=30
a²=7.5
a=√7.5
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1. 13/3x-15=180
13/3x=195 / *3/13
x=45
2.6a²=2a²+30
4a²=30
a²=7.5
a=√7.5