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(-1) * totul la 6* + 7/3(1/7-2/25:7/5)

Răspuns :

(-1)⁶ + 7/3×(1/7-2/25:7/5)=
=1 + 7/3×(1/7-2/25 ×5/7)=
=1 + 7/3×(1/7-2/35)=
=1 + 7/3×(5-2)/35=
=1 + 7/3×3/35=
=1 +1/5=
=6/5