Question

com cautela calcule cada expressão numérica​

Answer 1

A) 15+[5 x(8-6:2)]

15+[5 x(2 : 2)]

15+[5 x 1]

15 + 5

20

B) 27-[15-(5x2-3)+5]

27-[15-(10-3)+5]

27-[15-7+5]

27-[15-7+5]

27+13

40

C) 5+{3+[(7x3)+4]}

5+{3+[21+4]}

5+{3+25}

5+28

33

D) 9+[3x(2+3)+2x(4-4)]

9+[3x5+2x0]

9+[3x5+2x0]

9+[15+2]

9+17

26

E) {[81:3] +[2x(5-3)]}

{[81:3] +[2x2]}

{26+4}

30

F) 2x{5+12-[60:(8+10:5)]}

2x{5+12-[60:10]}

2x{5+12-6}

2x11

22