1) descubra o segredo de cada sequência e escreva o quatro numeris seguintis

a)2,4,6,8
b)2,6,10,14
c)15,30,45,60
d)21,24,27,30
e)62,54,46,38
f)141,242,343,444

2)Calcule o valor das expressões

a)10+9.3-8
b)120-(9+36:3+2.8)-2
c)9.5+3.2-10:5
d)8²+(5³-3²:3).4

por favor gente eu preciso da resposta
responde só quem sabe ​
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