(-0,76-0,44):2 2/3=-1,2 :2 2/3=-1 1/5: 2 2/3=
=-6/5*3/8=18/40=-9/20
(3 5/14-2 3/4)*(-3 5/17)=-2
3 5/14-2 3/4=47/14-11/4=(47*2-11*7)/28=
=17/28
17/28*(-3 5/17)=-17/28*56/17=-2
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(-0,76-0,44):2 2/3=-1,2 :2 2/3=-1 1/5: 2 2/3=
=-6/5*3/8=18/40=-9/20
(3 5/14-2 3/4)*(-3 5/17)=-2
3 5/14-2 3/4=47/14-11/4=(47*2-11*7)/28=
=17/28
17/28*(-3 5/17)=-17/28*56/17=-2