Respuesta:
216/7
Explicación paso a paso:
*)(4/3-12/21)×(3/6+7/18-1/3)
28-12/21×5/9
16/21×45
16×45/21
16×15/7
240/7
*)(2/3)×(5/3)=2×5/3×3=10/9
*) (240/7)÷(10/9)=240×9/7×10
=2160/70=216/7
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Respuesta:
216/7
Explicación paso a paso:
*)(4/3-12/21)×(3/6+7/18-1/3)
28-12/21×5/9
16/21×45
16×45/21
16×15/7
240/7
*)(2/3)×(5/3)=2×5/3×3=10/9
*) (240/7)÷(10/9)=240×9/7×10
=2160/70=216/7