L ista de exercícios operacoes com monômios

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LISTA DE EXERCÍCIOS - OPERAÇÕES COM MONÔMIOS

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L ista de exercícios operacoes com monômios

  1. 1. INSTITUTO DE ED. ANÍSIO TEIXEIRA 8º Ano ____ DISCIPLINA: Matemática Profª: Cinthia Silva DATA: Caetité, ____ de ________ de 2011 Turno: _________________ ALUNO(a): ___________________________ EXERCÍCIOS OPERAÇÕES COM MONÔMIOS 1- Efetue a) 3x 3 − 4 x 3 = 4- Calcule as potências: b) 4x2 + 7 y2 + 2x2 − 2 y2 = c) 6a − 4b − 3a + 2b = a) (3a b) = 2 2 d ) 13 y 2 + 8 y 2 − 9 y 2 = e) 7 y 2 − 3 y 2 + 5 y 3 + 7 y 3 = b) ( 7a bx ) = 2 2 f ) 6 x 2 + 4 x 2 − 9 x 2 + 11x 2 = c) ( − 5abc ) 2 = 0 g ) 9 x 3 −3 x 3 + 6 x 3 − 3 y 4 − 5 y 4 =  2  d )  − m 2 n3  = h) 5 x 2 − 6 x 2 + 13 y − 7 y =  5  i ) 5ax − 3by + 4by − 2ax + 4ax − 10by = 2  8  j ) 8 x − (−10 x ) + (−3 x) = e)  − x 2 y 3  =  5  y y l) y − + = 3 4 2  3  f )  − ab 2  =  2  2- Efetue os produtos: 3  1  a) − 3x ⋅ 8 y = g )  − a3 x  =  3  b) − 3ab ⋅ (−8ab) = c) − 7 my ⋅ 2my = 5 d ) 8ab ⋅ (−5ax) = e) a 2 x 3 y ⋅ (−3ay ) =  1  f ) − 3a 3by 2 ⋅  − ab 2 y 2  =  3  g ) − 3a bc ⋅ 6ab = 2 3 2 2  1  3 h) b ⋅  − a  ⋅ ab = 3  5  2 3 – Efetue as seguintes divisões: a ) 36 x 6 y 9 : 6 x 2 y 3 = b) 33a 5b 2 : 11a 3b = c ) − 12 x 2 y 4 : (−4 xy 3 ) = d ) − 81xy 3 : 9 xy = e) − 54a 3m5 n 4 : 6amn = f ) − 17 a 2b 4 : 17 a 4b 2 = 2 2  2 2  g) − x y : − x y = 7  7  h) − x 2 : x =geniosblogieat.blogspot.com 1
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