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150 - 146.45;

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(1/a)*(a+8)-(8/a);

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1^(1/2)+1^(1/2);

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(3^4 - 2^4) / [5^3 / ...

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4!/(4-3)!;

(24)*(3*2)/(2!);

3!/(3-3)!;

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Solution

A:x^4-3*x^2+5*x-1;

B:2*x^2-6*x+3;

C:2*x^4+x^3-x-4;

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((3/10)^3)*((-18*1,73...

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-1

Run Example
(%i1)f: b and (not a or c ) or a and not b and not c and not d ;
(%o1)  (b and ((not a) or c)) or (a and (not b) and (not c) and (not d))
(%i2) f,a=false,b=true,c=false,d=false;
(%o2)                                true
(%i3) 
Run Example
a:(-c_y + s_y)*cs_x + (c_x + s_x)*cs_y + (c_y - s_y)*s_x - (c_x - s_x)*s_y = 0;
(%o1) cs_x (s_y - c_y) + (s_x - c_x) s_y + s_x (c_y - s_y)
                                                         + cs_y (s_x + c_x) = 0
(%i2) b:((s_x - b_x)^2 + (s_y - b_y)^2) = ((s_x - cs_x)^2 + (s_y - cs_y)^2);
                     2              2               2               2
(%o2)     (s_y - b_y)  + (s_x - b_x)  = (s_y - cs_y)  + (s_x - cs_x)
(%i3) 
Run Example
Solve(((0.453-x)/(1-x)^0.453)=1);
                                   0.453 - x
(%o1)                       Solve(------------ = 1)
                                         0.453
                                  (1 - x)
(%i2) 

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