Ответ:
1)8(b-3)/(b-3)(b+3)=8/b+3
2)5x-2/3 - 2-10x/11 =11(5x-2)/33 - 3(2-10x)/33=55x-22-6+90x /33=145x-28/33
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Ответ:
1)8(b-3)/(b-3)(b+3)=8/b+3
2)5x-2/3 - 2-10x/11 =11(5x-2)/33 - 3(2-10x)/33=55x-22-6+90x /33=145x-28/33