Respuesta :

Answer:3 . 2 − 3 ⋅ 0.9 h  +  1.3 h − 4  ⇒   6  −  2.7 h+ 1.3 h  4  ⇒ 6  −  4  −  2.7 h  +  1.3 h  ⇒  2 − 1.4 h

Step-by-step explanation:

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