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5 i 5/6 * 0,12=
= 35/6 * 12/100 = (skracam 35 z 100 oraz 6 z 12)
= 7/1 * 2/20=
= 14/20=
= 7/10 =
= 0,7
b)
6,25 * 1 i 1/7=
= 6 i 25/100 * 8/7=
= 6 i 1/4 * 8/7=
= 25/4 * 8/7= (skracam 4 z 8)
= 25/1 * 2/7=
= 50/7=
= 7 i 1/7
c)
5 i 5/7 * 1,4=
= 40/7 * 1 i 4/10=
= 40/7 * 1 i 2/5=
= 40/7 * 7/5 = ( skracam 40 z 5 oraz 7 z 7)
= 8/1 * 1/1=
= 8/1=
= 8