Question

a) 16+(10-(18:3+2)+5)
b) 25-[12-(3x2+1)]
c) 90-[25+(5x2-1)+3]
d) 45+[(8x5-10:2)+(18:6-2)]
e) 50-2x{7+8:2-[9-3x(5-4)]}
f) 100-3x{5+8:2-[3x(7-6)}}
g) 82-8x7:04-1x3)
h) 25-[10-(2x3+1)]
i) 70-[12+(5x2-1)+6]
j) 8:2+[15-(4x2+1)]​

Answer 1

Resposta:

A: 23, B: 20, C: 53, D: 81, E: 40, F: 61, G: 26,

H: 20, J: 10.

Explicação passo-a-passo:

A

16+[10-(18:3+2)+5)

16+[10-(8)+5

16+[2+5]

16+7

23

B

25-[12-(3×2+1)]

25-[12-(6+1)]

25-[12-7]

25-5

20

C

90-[25+(10-1)+3]

90-[25+9+3]

90-[37]

90-37

53

D

45+[(8×5-10÷2)+(18÷6-2)]

45+[(40-5)+(3-2)]

45+[35+1]

45+36

81

E

50-2×{7+8÷2-[9-3×1])

50-2×{7+8÷2-[9-3]}

50-2×{7+8÷2-6}

50-2×{7+4-6}

50-2×{11-6}

50-2×5

50-10

40

F

100-3×{5+8:2-3}

100-3×13

100-39

61

G

82-8×7:(4-1×3)

82-56:(4-3)

82-56:1

82-56

26

H

25-[10-(2×3-1)]

25-[10-(6-1)]

25-[10-5]

25-5

20

I

70-[12+(12+(5×2-1)+6]

70-12+(12+9+6)]

70-[12+27]

70-39

31

J

8:2+[15-(9)]

8:2+[6]

4+6

10

espero ter ajudado ☺️