oblicz: a)6 1/2:3 1/4= b)7 1/3:2 2/5= c)2x13x4/18= d)1 1/8x4/15= e)2 3/5:5= f)1 5/7:6= g)8 3/4x4/7x3= h)2 1/7x7x2 2/5= i)4x15x9/12=
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a)6 1/2:3 1/4=13/2:13/4=13/2*4/13=2/1= 2
b)7 1/3: 2 2/5 =22/3: 12/5=22/3*5/12=55/18=3 1/18
c)2x13x4/18=2/1x13/1x4/18=52/9=5 7/9
d) 1 1/8x4/15=9/8x4/15=3/10
e) 2 3/5:5=13/5:5/1=13/1=13
f)1 5/7:6= 12/7:6/1=12/7*1/6=2/7
g)8 3/4x4/7x3=35/4x4/7x3/1=15/1=15
h)2 1/7x7x2 2/5=15/7x7/1x12/5=36/1=36
i)4x15x9/12=4/1x15/1x9/12=540/12=45