zamien sume na iloczyn
2a(4x+y)-(y+4x)a
3x(3a-2b)+5x(3a-2b)
(3x+2y)+2(2y+3x)+(3x+2y)
8x(2a-3b)+6x(2a-3b)-(2a-3b)
potęgowanie dużych liczb :
82kwadrat=
21*39=
98kwadrat=
35kwadrat-15kwadrat
z góry dziękuję . ;DD
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2a(4x+y)-(y+4x)a=8ax+2ay-(ay+4ax)=8ax+2ay-ay-4ax=4ax+ay
3x(3a-2b)+5x(3a-2b)=9ax-6bx+15ax-10bx=24ax-16bx
(3x+2y)+2(2y+3x)+(3x+2y)=3x+2y+4y+6x+3x+2y=12x+8y
8x(2a-3b)+6x(2a-3b)-(2a-3b)=16ax-24bx+12ax-18bx-2a+3b=28ax-42bx-2a+3b
potęgowanie dużych liczb :
82kwadrat=82²=6724
21*39=819
98kwadrat=98²=9604
35kwadrat-15kwadrat=35²-15²=1225-225=1000
zamien sume na iloczyn
2a(4x+y)-(y+4x)a =
8ax+2ay-ay-4ax =
4ax+ay
3x(3a-2b)+5x(3a-2b) =
9ax-6bx+15ax-10bx =
24ax-16bx
(3x+2y)+2(2y+3x)+(3x+2y) =
3x+2y+4y+6x+3x+2y =
12x+8y
8x(2a-3b)+6x(2a-3b)-(2a-3b)=
16ax-24bx+12ax-18bx-2a+3b =
28ax-42bx-2a+3b
potęgowanie dużych liczb :
82kwadrat= 82*82 =6724
21*39= 819
98kwadrat= 98*98 = 9604
35kwadrat-15kwadrat = 35*35-15*15 = 1225-225 = 1000