oblicz ułamki zwykle odejmowanie klasa 4. 3 i 3/8 -5/8 = 2 i ....../8 - 5/8 = 3 i 1/9 - 1 i 5/9 + 2 i 4/9 = 6 - ( 4 i 1/5 - 2 i 3/5 ) - proszę o obliczenia.

3 i 3/8 - 5/8 = 2 i 6/8 = 2 i 3/4 3 i 1/9 - 1 i 5/9 + 2 i 4/9 = 1 i 5/9 + 2 i 4/9 = 4 6 - (4 i 1/5- 2 i 3/5) = 6 - 1 i 3/5 = 4 i 2/5

3 3/8-5/8=2 11/8-5/8=2 6/8=2 3/4 3 1/9-1 5/9+2 4/9=2 10/9-1 5/9+2 4/9=1 5/9+2 4/9=3 9/9=4 6-(4 1/5-2 3/5)=6-(3 6/5-2 3/5)=6-1 3/5=4 2/5