b) (√16-√4)×(3+√25)
C) (-2)²+(+2)²-(-3)²
D)-16+[8÷2+10÷2-14]
E)(-12)÷(+4)+(-3)²-2
F)(√16-5)²+(8÷√4+3)²-1
G)20-{10-[-1+(1-6)]+4}
H)100-[15-(√16÷2-9×1)]
I)35-6×6+54÷(-6)
J)[(-3)²×(+2)³]+√64-√49
Gente urgente avaliação
Pfv b) (√16-√4)×(3+√25) gente AGR
Respostas
Resposta:
B)16
C)-1
D)-21
E)4
F)64/7
G)8
H)78
i)-10
J)73
Explicação passo-a-passo:
B)(V16- V4)×(3+V25)=
(V16-V4)×(3+V25
V16
V4^2
4
(V16-V4)×(3+V25)
(4-V4)×(3+V25)
(V16-V4)×(3+V25)
V4
V2^2
2
(V16-V4)×(3+V25)
(4-2)×(3+V25)
(16-V4)×(3+V25)
V25
V5^2
5
(16-V4)×(3+V25)
(4-2)×(3+5)
2(3+5)
(4-2)×(3+5)
2×8
16
Resposta
16
C)(-2)^2+(+2)^2-(-3)^2=
(-2)^2+(+2)^2-(-3)^2
(-2)^2
2^2
2×2
4
(-2)^2+2^2-(-3)^2
4+2^2-(-3)^2
(-2)^2+(+2)^2-(-3)^2
2^2
2×2
4
(-2)^2+(+2)^2-(-3)^2
4+4-(-3)^2
(-2)^2(+2)^2-(-3)^2
(-3)^2
3^2
3×3
9
(-2)^2+(+2)^2-(-3)
4+4-9
8-9
-1
4+4-9
-1
Resposta
-1
D)-16+(8÷2+10÷2-14)=
-16+(8÷2+10÷2-14)
-16+(4+10÷2-14)
-16+(8÷2+10÷2-14)
-16+(4+5-14)
4+5-14
9-14
-5
-16+(4+5-14)
-16+(5)
-16-5
-(16+5)
-21
-16-5
-21
Resposta
-21
E)-(-12)÷(+4)+(-3)^2-2=
(-12)÷(+4)+(-3)^2-2
(-12)÷4
-(12÷4)
-3
(-12)÷(+4)+(-3)^2-2
-3+(-3)^2-2
(-12)÷(+4)+(-3)^2-2
(-3)^2
3^2
3×3
9
(-12)÷(+4)+(-3)^2-2
-3+9-2
-5+9
4
-3+9-2
4
Resposta
4
F)(V16-5)^2+(8÷V4+3)^2-1=
(V16-5)^2+(8÷Vr+3)^2-1
V16
V4^2
4
(16-5)^2+(8÷V4+3)^2)-1
(4-5)^2+(8÷V4+3)^2-1
4-5
-(5-4)
-1
(4-5)^2+(8÷V4+3)^2-1
(-1)^2+(8÷V4+3)^2-1
(-1)^2
1^2
1
(-1)^2+(8÷V4+3)^2-1
1+(8÷V4+3)^2-1
(8÷V4+3)^2
1+(8÷V4+3)^2-1
(8/V4+3)^2
(8/V7)^2
8/V7
8/V7×V7/V7
8V7/ V7V7
8V7V7
(8V7)^2
(8V7/V7)^2
(8V7/V7^2)^2
64×7/7^2
(8V7/7^2)^2
64×7/49
(8V7/7)^2
67×7/49
67×7/49 aqui
risque os dois numeros 7 e 49
64/7
Resposta
64/7
G)20-(10-(-1+(1-6)+4)=
20-(10-(-1+(1-6)+4
1-6
-(6-1)
-5
20-(10-(-1+(1-6)+4))
20-(10-(-1+(-5)+4))
20-(10-(-1-5+4))
-1-5+4
-6+4
-2
20-(10-(-1-5+4))
20-(-10-(-2))
20-(10+2)
20-12
9
Resposta
8
H)100-(15-V16÷2-9×1)=
100-(15-V16÷2-9×1))
100-(15-V16÷2-9))
100-(15-V16÷2-9+1))
V16
V4^2
4
100-(15-V16÷2-9×1)
100-(15-(4÷2-9))
100-(15-(2-9))
2-9
-(9-2)
-7
100-(15-(2-9))
100-(15-(-7))
100-(15+7)
100-22
78
Resposta
78
i)35-6×6+54÷(-6)=
35-6×6+54÷(-6)
-6×6
-(6×6)
-36
35-6×6+54÷(-6)
35-36+54÷(-6)
35-6×6+54÷(-6)
54÷(-6)
-(54÷6)
-9
35-6×6+54÷(-6)
35-36-9
35-45
-10
35-36-9
-10
Resposta
-10
J)((-3)^2×(+2)^3)+V64-V49=
((-3)^2×(+2)^3)+V64-V49
(3^2×2^3)+V64-V49
((-3)^2×2^3)+V64-V49
2^3
2×2×2
8
((-3)^2×2^3)+V64-V49
(3^2×8)+V64-V49
((-3)2×2^3)+V64-V49
V64
V8^2
8
((-3)^2×2^3)+V64-V49
(3^2×8)+8-V49
((-3)^2×2^3)+V64-V49
V49
V7^2
7
((-3)^2×2^3)+V64-V49
(3^2×8)+8-7
3^2
3×3
9
(3^2×8)+8-7
((9×8)+8-7
72+8-7
80-7
73
72+8-7
73
Resposta
73