oblicz:
(10:2 2/3+7,5:10)*(3/40-7/30*0,25+ 157/360) ma wyjść 2,04 ; )
(10:2 2/3+7,5:10)*(3/40-7/30*0,25+ 157/360)=
=(10/1:8/3+75/10*1/10)*(3/40-7/30*1/4+157/360)=
=(10/1*3/8+3/4)*(3/40-7/120+157/360)=
=(15/4+3/4)*( 27/360-21/360+157/360)=
=18/4*163/360=163/80=2,0375≈2,04
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(10:2 2/3+7,5:10)*(3/40-7/30*0,25+ 157/360)=
=(10/1:8/3+75/10*1/10)*(3/40-7/30*1/4+157/360)=
=(10/1*3/8+3/4)*(3/40-7/120+157/360)=
=(15/4+3/4)*( 27/360-21/360+157/360)=
=18/4*163/360=163/80=2,0375≈2,04