Question

9. Calcule:
137 a)6 6 6
b)  19  93  95 8  10  1
c) 5 5 5 d)  23  14  62
121 e)2 3 4
10. Determine:
23
A)  3  :   5 
 21
B)  3.5
13
C)  7  :   5 
7 3
D)  5  .   8 

Answer 1

Resposta:

Explicação passo-a-passo:

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