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x+x+1/2x+1/4x+10= 1000
2x + 2/4x + 1/4x= 1000- 10
2 i 3/4x= 990
11/4x= 990 /: 11/4
x= 990 * 4/11
x= 360
Odp.: Baca ma 360 owiec.
2 3/4 x + 10 = 1000
1000 - 10 = 990
990 : 11/4 = 990/1 * 4/11= 3960/11 = 360
spr = 360 * 2 + 180 + 90 + 10 = 720 + 180 + 100 = 1000