Oblicz: a) 2 i 2/7 - 5 i 1/11
b) 17 i 3/4 + 19 i 5/6
c) 126 i 3/5 - 130 i 1/3
d) 2/3 * 4/5
e) 1/3 * 1 i 4/5
f) 2 i 3/7 * ( - 1 i 5/6 )
g) 1 i 2/3 : 4/5
h) - 3 i 1/3 : ( - 2 i 2/5 )
i) 2/3 * 3/4 * 4/5 ... * 47/ 48
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a) 2 2/7 - 5 1/11 = 2 i 22/77 - 5 i 7/77 = - 3 i 15/77
b)17 i 3/4+19 i 5/6=17 i 9/12 +19 i 10/12=39 i 7/12
c)126 i 3/5-130 i 1/3=126 i 9/15-130 i 5/15=-4 i 4/15
d)2/3*4/5=8/15
e)1/3*1 i 4/5=14/15
f)2 i3/7*(-1 i 5/6)=-8 i 3/4
g)1 i 2/3:4/5=12/3:4/5=12/3*5/4=60/12=5
h)-3i1/3:(-2i2/5)=-31/3:(-22/5)=-31/3*(-5/22)=155/66=2 i 23/66
i)2/3*3/4*4/5=1/2*4/5=4/10=2/5 2/5*47/48=94/240=47/120
a) 2 2/7 - 5 1/11 = 2 i 22/77 - 5 i 7/77 = - 3 i 15/77
b)17 i 3/4+19 i 5/6=17 i 9/12 +19 i 10/12=39 i 7/12
c)126 i 3/5-130 i 1/3=126 i 9/15-130 i 5/15=-4 i 4/15
d)2/3*4/5=8/15
e)1/3*1 i 4/5=14/15
f)2 i3/7*(-1 i 5/6)=-8 i 3/4
g)1 i 2/3:4/5=12/3:4/5=12/3*5/4=60/12=5
h)-3i1/3:(-2i2/5)=-31/3:(-22/5)=-31/3*(-5/22)=155/66=2 i 23/66
i)2/3*3/4*4/5=1/2*4/5=4/10=2/5 2/5*47/48=94/240=47/120