WYKONAJ MNOŻENIA PAMIĘTAJ O SKRACANIU. A)3/4*2 1/3=
c) 1 3/8*1 1/3=
wYKONAJ DZIELENIE: 3/4:3=
4/5:6/7=
2 2/5:4/9=
1 2/3:1 1/9=
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3/4*2 1/3=3/4*7/3=21/12=1 3/4
1 3/8*1 1/3=11/8*4/3=1 5/6
3/4:3=3/4*1/3=3/12=1/4
4/5:6/7=4/5*7/6=28/30=14/15
2 2/5:4/9=12/5*9/4=108/20=5 2/5
1 2/3:1 1/9=5/3*9/10=45/30=1 1/2