6*4=24(способи)
6-це способи вишикування
або
4*3*2*1=24(сп)
1) 17/20-x=14/20-3/20 (*20)
17 - 20x = 14-3
-20x = 11-17
-20x = -6
x = 6/20
x = 0.3
2) 8/15 - 7/15 + y = 14/15 (*15)
8-7+ 15y = 14
15y = 14-1
15y = 13
y = 13/15
I got up at 9 o,clock.In the bathroom I washed my hands face and cleaned my teeth .
I had jam and bread and drank milk for breakfast.Then I ran to school
In the evening I sat in armchair read Tiny s fairy tales and watched TV At 10 oclock I went to bed