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(1) Aplique a prepriedade associativos a) \( 5 \times 2 \times 3=30 \) b) \( 6 \times 1 \times 2=20 \) C) \( 2 \times 10 \times 3=40 \) (2) Escrerra em alarimos rormanos \[ \begin{array}{l} 2153=I I I V \\ 278=I I V I \\ 57=x V \\ 39= \\ 236= \end{array} \] erso (3.) Escreva es 5 primeiros muilliplos de: \[ \begin{array}{l} 12=9= \\ 13= \\ 4= \\ 3= \\ 7= \end{array} \] FORON

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Aluno

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04/10/24
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