LEGENDA -
/ - Kreska Ułamkowa ,, * - Razy np. 3 razy 5 = 15
Zad 3 b) Wykonaj Mnożenie
5/14 * 7/10
5/6 * 3/7 * 4/5
2-cale * 2-cale * 1/4
Zad 4 Znajdź odwrotności liczb
2, 1/3, 4/7, 2cale i 2/3, 1, 0,5 3,2 1,17 8,05
Zad 5 Wykonaj dzielenie
2/3 : 5/12
1 cala i 1/2 : 3/4
2/5 : 2 cale i 1/2
3cale : 2 cale i 1/4
5/6 : 1/9
10/21 : 3 cale 3/14
2 cale 7/16 : 3/32
7 calych 1/2 : 1 cala 7/8
40 calych : 2/5
16/25 : 8 calych
3 cale 5/7 : 3 cale 1/4
1 cala 1/2 : 2 cale :1/4
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3.
5/14*7/10=1/4
5/6*3/7*4/5=5/14*4/5=2/7
2*2*1/4=4*1/4=4/4=1
4.
2->1/2
1/3 ->3
4/7 ->7/4
2 2/3=8/3 -> 3/8
1 nie ma
0 nie ma
53 ->1/53
21 ->1/21
17 ->1/17
8->1/8
0,5=1/2 ->2
5.
2/3:5/12=2/3*12/5=8/5=1 3/5
1 1/2:3/4=3/2:3/4=3/2*4/3=2/1=2
2/5:2 1/2=2/5:5/2=2/5*2/5=4/25
3:2 1/4=3/1:9/4=3/1*4/9=4/3=1 1/3
5/6:1/9=5/6*9/1=15/2=7 1/2
10/21:3 3/14=10/21: 45/14=10/21*14/45=4/27
2 7/16:3/32=39/16:3/32=39/16*32/3=26/1=26
7 1/2:1 7/8=15/2:15/8=15/2*8/15=4/1=4
40:2/5=40/1*5/2=100/1=100
16/25:8=16/25:8/1=16/25*1/8=2/25
3 5/7:3 1/4=26/7:13/4=26/7*4/13=8/7=1 1/7
1 1/2:2:1/4=3/2:2/1:1/4=3/2*1/2*4/1=3/1=3