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Respondido

6) Faça as multiplicações:
a) ( - 5/8 ) . ( 3/ 2 )

- 15/( 16)
- 8/ 6
8/ 6
15/( 16)
B) ( 7/3 ) . ( 21/5 )

147/( 15)
63/ 35
- 63/ 35
- 147/( 15)

Resposta :

EMILLLY16ON
a)3/8 b) 27/28 c)56/40 d)68/119 e) 16/60 f) 1372/210 g) 360240 h) 168/189
i) 1350/30 j) 560/1680 k) 792/3024 l) 5292/18522






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