Zad.1
Uzupełnij :
a) 3 1/3 - 2/3 = 2 _/3 - 2/3 = ___
b) 2 3/5 - 4/5 = 1 _/5 - 4/5 = ___
c) 8 4/7 - 6/7 = 7 _/7 - 6/7 = ____
d)6 5/9 - 8/9 = 5 _/9 - 8/9 = ____
Zad.2
Oblicz:
a) 3 1/4 - 3/4 = 2 5/4 - 3/4 = ____
b) 4 1/3 - 2/3 = __________
c) 7 2/5 - 4/5 = ___________
d)11 2/9 -7/9 = ___________
e) 5 1/4 - 2 3/4 = __________
f) 7 - 3 3/5 = __________
g) 9 1/8 - 2 7/8 = ___________
h) 10 - 6 6/13 = _________
Zad.3 ZAPISZ WSZYSTKIE WYKONYWANE OBLICZENIA
Uzupełnij tabelki :
1/3 1 __ 1 i 2/3 ____ ____ 3 i 1/3 ____
+ 2/3 ___ __ 1 i 1/3 ____ 5/3 2 i 2/3 ____ 3 i 1/3 - 2/3
1/4 ____ 1 i 2/4 _____ _____ 3 i 3/4 _____ ____
+ 3/4 ___ 3 _____ 1 i 1/4 2 i 3/4 _____ 3/4 2 1/4 -3/4
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1a) 3 1/3-2/3=2 4/3-2/3=2 2/3
b) 2 3/5-4/5=1 8/5-4/5=1 4/5
c) 8 4/7-6/7=7 11/7-6/7=7 5/7
d)6 5/9 - 8/9 = 5 14/9 - 8/9 =5 6/9
2
a) 3 1/4 - 3/4 = 2 5/4 - 3/4 =2 2/4
b) 4 1/3 - 2/3 = 3 4/3 - 2/3 = 3 2/3
c) 7 2/5 - 4/5 = 6 7/5 - 4/5 = 6 3/5
d)11 2/9 -7/9 = 10 11/9-7/9= 10 4/9
e) 5 1/4 - 2 3/4 = 4 5/4 - 2 3/4= 2 2/4
f) 7 - 3 3/5 = 6 5/5-3/5=6 2/5
g) 9 1/8 - 2 7/8 = 8 9/8 - 2 7/8=6 2/8
h) 10 - 6 6/13 = 9 13/13-6 6/13=3 7/13
3
1/3 1 2/3 1 i 2/3 1 2 3 i 1/3 2 2/3
+ 2/3 1 1 2/3 1 i 1/3 2 1/3 5/3 2 i 2/3 4 3 i 1/3 - 2/3
1/4 2 1/4 1 i 2/4 2/4 2 3 i 3/4 0 18/4=4 2/4
+ 3/4 1 3 2 1/4 1 i 1/4 2 i 3/4 4 2/4 3/4 2 1/4 -3/4
LICZE NA NAJLEPSZE !!!