Rosa lleva una bolsa de verduras que contiene 3 1 / 2 dé calabaza, zanahoria 2 1 / 3, y tomate 1 3 / 4 líneas cuánto pesa la bolsa
<img src="https://tex.z-dn.net/?f=%20P%3D3%5C%3A%5Cfrac%7B1%7D%7B2%7D%2B2%5C%3A%5Cfrac%7B1%7D%7B3%7D%2B1%5C%3A%5Cfrac%7B3%7D%7B4%7D%20" />
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<img src="https://tex.z-dn.net/?f=%202%5Cfrac%7B1%7D%7B3%7D%3D%5Cfrac%7B2%5Ccdot%203%2B1%7D%7B3%7D%3D%5Cfrac%7B7%7D%7B3%7D%20" />
<img src="https://tex.z-dn.net/?f=%201%5Cfrac%7B3%7D%7B4%7D%3D%5Cfrac%7B1%5Ccdot%204%2B3%7D%7B4%7D%3D%5Cfrac%7B7%7D%7B4%7D%20" />
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<img src="https://tex.z-dn.net/?f=%20%5Cmathrm%7BEncontrar%5C%3Ael%5C%3Aminimo%5C%3Acomun%5C%3Adenominador%5C%3Apara%7D%5C%3A%5Cfrac%7B7%7D%7B2%7D%2B%5Cfrac%7B7%7D%7B3%7D%2B%5Cfrac%7B7%7D%7B4%7D%3A%5Cquad%2012%20" />
<img src="https://tex.z-dn.net/?f=%20P%3D%3D%5Cfrac%7B7%5Ccdot%20%5C%3A6%7D%7B12%7D%2B%5Cfrac%7B7%5Ccdot%20%5C%3A4%7D%7B12%7D%2B%5Cfrac%7B7%5Ccdot%20%5C%3A3%7D%7B12%7D%20" />
<img src="https://tex.z-dn.net/?f=%20P%3D%5Cfrac%7B7%5Ccdot%20%5C%3A6%2B7%5Ccdot%20%5C%3A4%2B7%5Ccdot%20%5C%3A3%7D%7B12%7D%20" />
<img src="https://tex.z-dn.net/?f=%20P%3D%5Cfrac%7B91%7D%7B12%7D%20" />
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