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2,73 + 9 2/3 = 273/100 + 29/3 = 819/300 + 2900/300 = 3719/300 = 12 119/300
7/100 + 10,3 = 0,07 + 10,3 = 10,37
4 5/9 + 1,5 = 41/9 + 15/10 = 410/90 + 135/90 = 545/90 = 6 5/90 = 6 1/18
Odejmowanie:
4,2 - 2/5 = 4,2 - 0,4 = 3,8
5 2/5 - 1,25 =5,4 - 1,25 = 4,15
0,9 - 3/8 = 0,9 - 0,375 = 0,525
3,75 - 1 1/6 = 3 3/4 - 1 1/6 = 3 9/12 - 1 2/12 = 2 7/12
4 2/3 - 1,5 = 14/3 - 15/10 = 140/30 - 45/30 = 95/30 = 3 5/30 = 3 1/6
6 1/7 - 2 2/5 = 6 5/35 - 2 14/35 = 5 40/35 - 2 14/35 = 3 26/35
b)10 i 37/100
c)6 i 5/90
d)3 i 4/5
e)4 i 3/20
f)11/20
g) 2 350/600
h)3 1/6
i)3 26/35
Mysle ze pomoglam :)