oblicz: b)2 1/2*3/4= c)2/7*5 3/4= d)2 4/5*3 2/3= e)1 2/3*2 1/2= f) 2 1/4*3 2/5=
oblicz:
b)2 1/2*3/4= 5/2·3/4 = 15/8 = 1 7/8 c)2/7*5 3/4= 2/7·23/4 = 23/14 = 1 9/14d)2 4/5*3 2/3= 24/5·11/3 = 88/5 = 17 3/5 e)1 2/3*2 1/2= 5/3·5/2 = 25/6 = 4 1/6 f) 2 1/4*3 2/5= 9/4·17/5 = 153/20 = 7 13/20
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oblicz:
b)2 1/2*3/4= 5/2·3/4 = 15/8 = 1 7/8
c)2/7*5 3/4= 2/7·23/4 = 23/14 = 1 9/14
d)2 4/5*3 2/3= 24/5·11/3 = 88/5 = 17 3/5
e)1 2/3*2 1/2= 5/3·5/2 = 25/6 = 4 1/6
f) 2 1/4*3 2/5= 9/4·17/5 = 153/20 = 7 13/20