rozwiazanie w załączniku
(-4 3/7)(-9,4+2 2/5)=
-31/7(-94/10+12/5)=
-31/7(-47/5+12/5)=
-31/7*(-35/5)=
-31*(-1)=
31
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rozwiazanie w załączniku
(-4 3/7)(-9,4+2 2/5)=
-31/7(-94/10+12/5)=
-31/7(-47/5+12/5)=
-31/7*(-35/5)=
-31*(-1)=
31