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Ответ

Ответ дан
arin567
(2x+3y)(x-2y^2)=(2*1/4  +3*1/6)(1/4  -2*(1/6)^2)=(1/2  + 1/2)(1/4 - 2*1/36)=1(1/4- 1/18)=9/36  - 2/36 = 7/36

Ответ

Ответ дан
PomochnikDlyaTebya
решение
подставим вместо букв цифры и сократим дроби 1/6^2=1/36
(2*1/4+3*1/6)=1
(1/4-2*1/36)=1/4-1/18=7/36;
1*11/36= 7/36
а теперь можно пойти и попить чайку

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