Oblicz pamiętając o kolejności rozwiązywania działań:
a) 36/35-5/7-5/35=
b) 6 3/10+ 3 4/5- 3 2/5+3 1/2=
c) 10 1/6- (123/4-7 5/6)- 3 1/2=
d) 1 3/4+(99 7/20- 89 2/5)-1 1/2+
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a)=31/35-5/35=26/35
b)=6 3/10-3 8/10+3 1/2=2 1/2+1 1/2=4
c)10 1/6-4 11/12-3 1/2= 10 2/12-4 11/12- 3 6/12= 5 3/12-3 6/12=1 9/12
d)
1 3/4 +9 19/20- 1 1/2=1 15/20+9 19/20- 1 10/20=10 24/20-1 10/20=9 14/20
a) 36/35-5/7-5/35=36/35-25/35-5/35=-11/35-5/35=-16/35
b) 6 3/10+ 3 4/5- 3 2/5+3 1/2=6 3/10+ 3 8/10 - 3 4/10+ 3 5/10=9 11/10- 3 4/10+ 3 5/10=6 7/10+ 3 5/10=9 12/10=10 2/10=10 1/5
c)10 1/6- (123/4-7 5/6)- 3 1/2=10 1/6-(30 3/4- 7 5/6)- 3 1/2=10 1/6-(30 9/12-7 10/12)- 3 1/2=10 1/6-(29 21/12-7 10/12)- 3 1/2=10 1/6-22 11/12- 3 1/2=10 2/12-22 11/12- 3 1/2=9 14/12-22 11/12- 3 1/2=-13 3/12- 3 6/12=-16 9/12
d)1 3/4+(99 7/20- 89 2/5)-1 1/2=1 3/4+(99 7/20-89 8/20)-1 1/2=1 3/4+(98 27/20- 89 8/20)-1 1/2=1 3/4+9 19/20-1 1/2= 1 15/20+9 19/20-1 10/20=10 34/20- 1 10/20=9 24/20= 10 4/20=10 1/5