proszę na dzisiaj tak go godz 20:00 proszę nikt ode mnie tego nie umi oblicz 10-10:[2 2/3:(2/3*1 1/5-2/5)]= proszę z góry dziękuje:) błagam was
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10- 10: [ 2 2/3: (2/3* 1 1/5 - 2/5)] = 10 -10 :[ 2 2/3 : ( 2/3 * 6/5 - 2/5)]=
= 10 - 10 : [ 2 2/3 : (4/5 - 2/5)] = 10- 10:( 2 2/3: 2/5)= 10-10: (8/3 : 2/5 )=
= 10- 10: ( 8/3 * 5/2)= 10- 10: 20/3 = 10 - 10 * 3/20= 10 - 3/2= 10 - 1 1/2 = 8 1/2