Zadania z Cwiczeń matematyka z plusem:
3/22
(2x+3y) (.............)=10xz+4xt+15yz+6yt
(x-t)(..................) = xy+xy-ty-tz
( 3a-b) (..................)=18a-4,5 ac-6b+1,5bc
4/22
(2x-5)(y+6)-.......................=12x-5y
(7-x)(3-y)-.....................=-3x-7y
(6x-1)(4-y)=y-4+...........................
Jeśli ma ktoś ćw. to proszę o zad. ze stron 7-12. Chociaż niektóre. Daję naj :)
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3/22
(2x+3y)(5z+2t)=10xz+4xt+15yz+6yt
(x+t)(y6-z)=xy+xz-ty-tz
(3a-b)(6-1,5c)=18a-4,5ac-6b+1,5bc
4/22
niestety Ci nie pomoge:(( zapomnialem zadania 4 jak sie robi:(( Przepraszam
3/22
(2x+3y) (5z + 2t)=10xz+4xt+15yz+6yt
(x-t)(y + z) = xy+xz-ty-tz
( 3a-b) (6 - 1,5 c)=18a-4,5 ac-6b+1,5bc
4/22
(2x-5)(y+6) = 2xy + 12x - 5y - 30
(2x-5)(y+6)- 2xy + 30 =12x-5y
(7 - x)(3 - y) = 21 - 7y - 3x + xy
(7-x)(3-y)- 21 - xy = -3x-7y
(6x-1)(4-y)=y-4+ 24x - 6xy