Ответ:
-9
Объяснение:
-2 4/7×3 5/10=-2 4/7×3 1×5/2×5=-2 4/7×3 1/2=-4+2×7/7×1+3×2/2=-18/7×7/2=-18×7/7×2=-126/14=-9×14/14=-9
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Ответ:
-9
Объяснение:
-2 4/7×3 5/10=-2 4/7×3 1×5/2×5=-2 4/7×3 1/2=-4+2×7/7×1+3×2/2=-18/7×7/2=-18×7/7×2=-126/14=-9×14/14=-9