Temat:dodawanie i odejmowanie ułamków o jednakowych mianownikach.
a)
8 1/2-3=
9 3/4-5 3/4=
9 9/10-5 3/10=
18 10/12-4/12=
b)
1-1/2=
2-5/7=
4-6/11=
5-7/13=
c)
8-79/10=
25-41/8=
23/5-14/5=
73/9-7/9=
d)
41/3-2/3=
82/5-54/5=
72/7-35/7=
101/8-47/8=
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a)
8 1/2-3= 4 1/2
9 3/4-5 3/4=4
9 9/10-5 3/10=4 6/10
18 10/12-4/12=18 6/12
b)
1-1/2=1/2
2-5/7=1 2/7
4-6/11=3 5/11
5-7/13=4 6/13
c)
8-79/10= 1/10
25-41/8= 19 7/8
23/5-14/5= 9/5 =1 4/5
73/9-7/9=64/9 = 7 1/9
d)
41/3-2/3=39/3= 13
82/5-54/5=28/5= 5 3/5
72/7-35/7=37/7= 5 2/7
101/8-47/8=54/8= 6 6/8
a)
8 1/2-3=5 1/2
9 3/4-5 3/4=4
9 9/10-5 3/10=4 6/10
18 10/12-4/12=8 6/12
b)
1-1/2=2/2-1/2=1/2
2-5/7=1 7/7-5/7=1 2/7
4-6/11=3 11/11-6/11=3 5/11
5-7/13=4 13/13-7/13=4 6/13
c)
8-7 9/10=7 10/10-7 9/10=1/10
25-4 1/8=24 8/8-4 1/8=20 7/8
2 3/5-1 4/5=1 8/5-1 4/5=4/5
7 3/9-7/9=6 12/9-7/9=6 5/9
d)
4 1/3-2/3=3 4/3-2/3=3 2/3
8 2/5-5 4/5=7 7/5-5 4/5=2 3/5
7 2/7-3 5/7=6 9/7-3 5/7=3 4/7
10 1/8-4 7/8=9 9/8-4 7/8=5 2/8