Пошаговое объяснение:
(2/7×7/3+(9/2-23/6) ×3×1/3)÷(13/2×1/9)=
(2×1/3+2/3×3×1/3) +13/18=
(2/3+2/3) ×18/13=
4/3×18/13=
4×6/13=24/13=1 11/13
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Пошаговое объяснение:
(2/7×7/3+(9/2-23/6) ×3×1/3)÷(13/2×1/9)=
(2×1/3+2/3×3×1/3) +13/18=
(2/3+2/3) ×18/13=
4/3×18/13=
4×6/13=24/13=1 11/13