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)]
Soluções para a tarefa
Respondido por
5
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 ☺️
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