<span>1)234*5254=1229436
2)1625637163:5=325127432,6
3)325127432,6 + 1229436=326356868,6</span>
<span>4)326356868,6 + 364646464 = 691003332,6</span>
У меня получился ответ 332
1). а) 5^(-2) = (1/5) ^2 = 1/25 б) 12* 3^ (-3) =12* (1/3)^3= 12* 1/27 =4/9 в) (27*3^(-2))^ (-1) = (27* 1/9)^ (-1) = 3^(-1) = 1/3 <span>г) (2^(-3))* ((2^2)/(2^(-4)))= (2^2)/(2^(-1))= 4/1/2= 8
2). a) ((x^(-3))* (x^5))/ (x^(-6)) =(x^5)/(x^(-3))= (x^5)/1/(x^3) = (x^5)*(x^3) = x^8
</span><span>б) (12y^(-7))/(3/(4y^(-5))) = ((12y^(-7))*(4y^(-5)))/3 = (4y^(-7))*(4y^(-5)) = 16y^(-12)= 16/ y^12</span>
5x+9-2x+6
3х+15 или возможно 3(х+5)