Oblicz 0,75 watrtości wyrażenia :(* to razy ) .!
(1,2:3/5-1 1/3 *0,3):1 1/7*
(1,2:3/5-1 1/3 *0,3):1 1/7=
=(12/10:3/5-4/3*3/10):8/7=
=(6/5:3/5-4/10)*7/8=
=(6/5*5/3-2/5)*7/8=
=(2-2/5)*7/8=
=(10/5-2/5)*7/8=
=8/5*7/8=
=7/5=
=1 2/5
7/5*0,75=7/5*3/4=21/20 =1 1/20
(1,2:3/5-1 1/3*0,3):1 1/7=(2-1 1/3*0,3):1 1/7=(2-2/5):1 1/7=1 3/5 : 1 1/7=1 2/5
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(1,2:3/5-1 1/3 *0,3):1 1/7=
=(12/10:3/5-4/3*3/10):8/7=
=(6/5:3/5-4/10)*7/8=
=(6/5*5/3-2/5)*7/8=
=(2-2/5)*7/8=
=(10/5-2/5)*7/8=
=8/5*7/8=
=7/5=
=1 2/5
7/5*0,75=7/5*3/4=21/20 =1 1/20
(1,2:3/5-1 1/3*0,3):1 1/7=
(2-1 1/3*0,3):1 1/7=
(2-2/5):1 1/7=
1 3/5 : 1 1/7=1 2/5