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a)3/1* 4/5 =12/5= 2 i 2/5
b)4/1* 5/12 = 5/3 = 1 i 2/3
c)17/1*3/34 = 3/2=1 i 1/2
2.
a)3/7 * 14/1 = 6/1 = 6 *2 sposób 7/7 =14
1/7 = 2 a wiec 3/7 = 2*3= 6
b) 2/5 * 30/1 = 12/ 1 = 12 * 2 sposób 5/5 = 30 czyli 1/5 = 6 a wiec 2/5 = 12
3.
15 cukierników
2/3 owocowe = 15*2/3 = 30/3 = 10
1/5 cukierki czekoladowe= 15*1/5 = 15/5=3
Krówki= 15-10-3= 15-13=2
Mam nadzieje ze pomogłem licze na naj