October 2018 1 47 Report

oblicz

a)4/7+5/7=11/7=

b)3/20+9/20+21/20=

c)1 3/11+2 8/11+9/11=

d)5 4/15+5 7/15+ 8 14/15=

e)1/4+5 1/4+8 1/4+3/4=

f)5/24+2 13/24+17/24+1 1/24=

oblicz sprytnie

a) 5 10/23+4 17/23+10+4 13/23+5 6/23=

b)1 1/25+18/25+19/25+1 7/25+24/25=

oblicz

a)13/20-8/20=

4 5/14-3 3/14=

1-7/12=

4-1 1/2

b)17/25-9/25=

12 8/17-3 5/17=

2-9/16=

10-2 5/9=

c)2 29/100-12/100=

26 10/21-13 8/21=

7-25/29=

6-11/8=

d)11 3/40-4=

14 27/100-8 19/100=

12-13/30=

100-201/4=

oblicz

a)1 3/5-4/5=

5 1/3-1 2/3=

3 5/36-2 13/26=

8 1/3-1 4/3=

c)12 7/12-11/12=

10 5/8-7/7/8=

82 7/60-31 31/60=

19 3/7-8 19/7=

znajdź x

a)x+1 3/4=7 1/4=

b) x-2 3/5=5 4/5=

c) 3 3/10-x=1 1/10=

d) 2 3/7+x=1 1/10=

e) x-4 7/9=7 8/9=

f)5 3/8-x=22 7/8=

oblicz

a) 7 5/9-3 2/9+1 8/9=

b)10 3/5-(2 2/5+3 4/5) potrzebuje na teraz bardzo bardzo dziękuje z góry :)


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