Oblicz;
a)1,3/4+2,1/2=?
3,2/9+1,2/3=?
4,4/5+1,1/2=?
B)4/5+3/4+2/5=?
5/7+1/2+6/7=?
2/8+1/3+5/8=?
c)1,5/6+2,2/3+1,4/9=?
1,3/8+2,1/3+1,5/6=?
2,7/10+1,3/4+4,5=?
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Oblicz; a)1,3/4+2,1/2=1,75+2,5= 4,25
3,2/9+1,2/3=3 2/9 + 1 6/9 = 4 8/9
4,4/5+1,1/2=4,8 + 1,5 = 6,3
B)4/5+3/4+2/5=0,8 + 0,75 + 0,4 = 1,95
5/7+1/2+6/7= 10/14 + 7/14 + 12/14 = 29/14 = 2 1/14
2/8+1/3+5/8=6/24 =6/24 + 8/24 + 15/24 = 29/24 = 1 5/24
c)1,5/6+2,2/3+1,4/9= 1 15/18 + 2 12/18 + 1 8/18 = 4 35/18 = 5 17/18 1,3/8+2,1/3+1,5/6=1 9/24 + 2 8/24 + 1 20/24 = 4 47/24 = 5 23/24 2,7/10+1,3/4+4,5=2 14/20 + 1 15/20 + 4 10/20 = 7 39/20 = 8 19/20
powinno być dobrze :D
a)1.3/4+2,1/2=0.325+1.05=1,372
3,2/9+1,2/3=0,36+0,4=0,76
4,4/5+1,1/2=0,88+0,55=1,43
b)4/5+3/4+2/5=0,8+0,75+0,4=1,95
5/7+1/2+6/7=0,71+0,5+0,86=2,07