Odpowiedź:
zad.59
a)[tex]3\frac{3}{5} +\frac{6}{10}=4\frac{1}{5}[/tex]
b)[tex]\frac{1}{7} +5\frac{6}{21}=5\frac{3}{7}[/tex]
c)[tex]1\frac{5}{6}+\frac{3}{4} =1 \frac{10}{12}+\frac{9}{12}=2\frac{7}{12}[/tex]
d)[tex]3\frac{24}{30} +2\frac{25}{30}=6\frac{19}{30}[/tex]
e)[tex]2\frac{20}{36} +3\frac{9}{36}=5\frac{29}{36}[/tex]
f)[tex]3\frac{20}{24}+2\frac{9}{24} =6\frac{5}{24}[/tex]
zad.60
a)3 2/12- 3/12=2 9/12
b)2 28/35-20/35=2 8/35
c)3 10/22- 11/22=2 21/22
d)4 6/15-1 7/15=2 14/15
e)3 15/24- 2 20/24=19/24
f)3 30/36- 2 16/36=1 14/36=1 7/18
zad.61
a)3 25/35+ 2 28/35+ 6 5/35- 3=9 23/35
b)10 5/20- 2 2/20+ 4/20+ 1 10/20=9 17/20
c)7 6/36- 2 24/36+ 1 28/36- 4 12/36=1 34/36=1 17/18
zad.62
a)7/11*4=28/11=2 6/11
5/8*4=20/8=2 1/2
15/4*4=60/4=15
51/10*4=204/10=20 2/5
b) 5/8*5=25/8=3 1/8
4/9*5=20/9=2 2/9
15/7*5=75/7=10 5/7
35/11*5=175/11=15 10/11
c)3/5*10=30/5=6
2/14*10=20/14=1 3/7
17/8*10=170/8=21 1/4
52/15*10=520/15=104/3=34 2/3
