1) O número 2,54 Representa 2 inteiros e 54?
marque com X as alternativas.
(a) Centenas
(b) Dezenas
(c) Centésimos
(d) Décimos

2) Calcule o valor das expressões
a) 19,6+3,04+0,076

b) 17+4,32+0,006

c) 4,85-2,3

d) (0,35-0,18•2)

e) (0,378-0,06)-0,245

f) (0,2)³+(0,16)²



por favor me ajudem plssss​
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