chodzi o zadanie 3 , 7 i 8 daje naj pilnee
3.6x-6x2
7.1/3+2/5+1/10=10/30+12/30=3/30=25/30=5/6
1/6-5zł. 6razy5=30zł
3)
6x-4x=2x
3-2x=1x
p=(1/2*2x*6x)+(1-2*2x*1x)
7)
1/3+2/5+1/10+5=10/30+12/30+3/30+5=25/30+5
5zł=5/30
25/30=5*5zł=25zl
25zł+5zł=30zł
8)
6*(2y+7)=6*9y=54y
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3.6x-6x2
7.1/3+2/5+1/10=10/30+12/30=3/30=25/30=5/6
1/6-5zł. 6razy5=30zł
3)
6x-4x=2x
3-2x=1x
p=(1/2*2x*6x)+(1-2*2x*1x)
7)
1/3+2/5+1/10+5=10/30+12/30+3/30+5=25/30+5
5zł=5/30
25/30=5*5zł=25zl
25zł+5zł=30zł
8)
6*(2y+7)=6*9y=54y