(7/6-1/12+1/36)*72/34
((7*6)/36 - 3/36 +1/36)*72/34
40/36 * 72/34
20/1 * 2/17
40/17
2 6/17
1) 4/8*100% =50%
2)2/10 *100%= 20%
3)12/48 *100%= 25%
4)45/300 *100%= 15%
5)64/400 *100%= 16%
6) 138/120 *100% = 115%
(47/14-11/4)(-56/17)=-(94/28-77/28)*56/17=-17/28*56/17=-56/28=-2
!<span>1) 102*80-Х= 456*148160-Х=6384Х=8160-6384Х=17762) 651*20-Х=1980-10313020-Х=1877Х=13020-1877Х=111433)Х-5004=3021*30Х-5004=90630Х=90630+5004Х=956344) 7005*7-Х=102*249035-Х=204Х=49035-204<span>Х=48831 ВОТ ТАК!</span></span>
3x*(-2x^2)+x^4+5x^2*(2x-1)+x^2+2=-6x^3+x^4+10x^3-5x^2+x^2+2=
x^4+4x^3-4x^2+2
Получили многочлен четвертой степени