Răspuns :
Explicație pas cu pas:
e)15/7*6/5-1/7=
=90/35-1/7=
=90/35-5/35=
=85/35
f)5/6:(1/3+1/2:1/3)=
=5/6:(1/3+1/2*3/1)=
=5/6:(1/3+3/2)=
=5/6:(2/6+9/6)=
=5/6:11/6=
=5/6*6/11=
=5/1*1/11=
=5/11
Explicație pas cu pas:
e)15/7*6/5-1/7=
=90/35-1/7=
=90/35-5/35=
=85/35
f)5/6:(1/3+1/2:1/3)=
=5/6:(1/3+1/2*3/1)=
=5/6:(1/3+3/2)=
=5/6:(2/6+9/6)=
=5/6:11/6=
=5/6*6/11=
=5/1*1/11=
=5/11