Matematyka 5 klasa oblicz : A ( 2 2/3+4 2/3): 3 2/3= B 2 2/5:(4-3 3/5) = C 1/4:2 3/4+5:2 1/2 = D 5 1/4:(1/2) do potęgi 2 -2 2/7: 1 3/5 = E 5*`(2/7:5/14)-2 3/4 = F 6 2/9*(5-4 1/2:9) =
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A)( 2 2/3+4 2/3): 3 2/3= 6 4/3 : 3 2/3=7 1/3 :3 2/3=22/3*3/11=2
B)2 2/5:(4-3 3/5) =2 2/5: 2/5=2 2/5 *5/2=12/5 *5/2=6
c)1/4:2 3/4+5:2 1/2 =1/4*4/11+5/1*2/5=1/11+2=21/11