Resolva as expressões
4
A) ( 2 . 15 - 1 )
--- --- ---
3 6 3

5
B) ( 5 - 3 ÷ 9 )
--- --- ---
6 4 2

2
C) ( 4 . 5 + 7 )
--- --- ---
3 16 4

3
D) ( 1 + 6 ÷ 3 )
--- --- ---
9 15 5

4
E) ( 7 ÷ 1 + 1 )
--- --- ---
8 4 2


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