4) 56*2/7=16
x^5*x^2=x^7
16x^7y^15
5)45p^3k^2
6)15/2b^5c^9d^10
<span>log0,5 в степ.2 (x+1)-log0,5(x+1)-2 меньше\равно 0
2(х+1)log0.5-log0.5(х+1)-2=log0.5(2(х+1)-(х+1))-2=log0.5х(х+1)-2=log1/2х(х+1)-2=-log2(х+1)=меньше/равно 0
-(х+1) меньше/равно 0
х+1 больше/равно 0
х больше - 1</span>
<span>а) 1/2*√(12)-2√(27)+√(75) = 1\2*2</span>√3-2*3√3+5√3 = √3-2√3+5√3 = 4√3<span>
б) 3*√(2)*(5*√(2)-√(32)) = 3</span>√2*(5√2-4√2) = 3√2*√2 = 3*2 = 6<span>
в) (4-5*√(2)) = 16 - 2*4*5</span>√2+25(√2)² = 16 - 40√2 + 50 = 66-40√2<span>
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