Question

RESOLVA AS EXPRESSÕES NUMÉRICAS:

a) 7 X 2 + 10 - 50/ 10:



b) 50 - *COLCHETE* 40 - 3 X {5 - (10 - 7)} COLCHETE*




c) ( 4 X 7 + 12) / (3 X 5 + 5)




d) 15 + {( 3 X 6 - 2) - ( 10 - 6/ 2) +1}

Answer 1

a) 7 · 2 + 10 - 50/10
14 + 10 - 5
24 - 5
*19*

b) 50 - [40 - 3 · {5 - (10 - 7)}]
50 - [40 - 3 · {5 - 3}]
50 - [40 - 3 · 2]
50 - [40 - 6]
50 - 34
*16*

c) (4 · 7 + 12) / (3 · 5 + 5)
(28 + 12) / (15 + 5)
40 / 20
*2*

d) 15 + {(3 · 6 - 2) - (10 - 6/2) + 1}
15 + {(18 - 2) - (10 - 3) + 1}
15 + {16 - 7 + 1}
15 + 8
*23*