Ответ: 1. 5^x>5^2
x>2
2 . 2^-2x=>2^2
x=<-1
3. 5^2x-5<5^0
2x-5<0
2x<5
x<2.5
4. 6^1/2x<=6^-3
1/2x<-3
x<=-6
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Ответ: 1. 5^x>5^2
x>2
2 . 2^-2x=>2^2
x=<-1
3. 5^2x-5<5^0
2x-5<0
2x<5
x<2.5
4. 6^1/2x<=6^-3
1/2x<-3
x<=-6