B)(10-4)-(9-8)+3=
C)50-[37-(15-8)]=
D)28+[50-(24-2)-10]=
E)20+[13+(10-6)+4]=
F)5^2+2^3-2x(3+9)=
G)6^2:3^2+4x10-12=
H)(7^2-1):3+2x5=
I)4^2-10+(2^3-5=
J)30-(2+1)^2+2^3=
K)[4^2+(5-3)^3]:(9-7)^3=
L)29-100:5^2+3. 16=
M)(17+7^2)+(42:36)=
N)(13-1)^2:[64:2^3+(81:3^2-8).3]+6^2=
Soluções para a tarefa
Resposta:
B ) ( 10 - 4 ) - ( 9 - 8 ) + 3
( 6 ) - ( 1 ) + 3 =
5 + 2 =
8
C )50 - [ 37- ( 15 - 8 ) ]
50 - [ 37 - 7 ] =
50 - 30 =
20
D ) 28 + [ 50 - ( 24 - 2 ) - 10 ]
28 + [ 50 - ( 22 ) - 10 ] =
28 + 18 =
46
E ) 20 + [ 13 + ( 10 - 6 ) + 4 ]
20 + [ 13 + ( 4 ) + 4 ] =
20 + 21 =
41
F ) 5^2 + 2^3 - 2( 3 + 9 )
25 + 16 - 6 - 18 =
41 - 24 =
17
G ) 6^2 : 3^2 + 4 . 10 - 12
36 : 9 + 40 - 12 =
4 + 28 =
32
H ) ( 7^2 - 1 ) : 3 + 2 . 5
48 : 3 + 10 =
16 +10 =
26
I ) 4^2 - 10 + ( 2^3 - 5 )
16 - 10 + 4 =
10
J ) 30 - ( 2 + 1 ) ^2 + 2^3
30 - 9 + 16 =
37
K ) [ 4^2 + ( 5 -3 ) ^3 ] : ( 9 - 7 ) ^3
[ 16 + 16 ] : 16 =
32 : 16 =
2
L ) 29 - 100 : 5 ^2 + 3 . 16
29 - 100 : 25 + 48 =
29 - 4 + 48 =
73
M ) ( 17 + 7^2 ) + ( 42 : 36 )
( 17 + 49 ) + ( 1,16 ) =
66 + 1, 16 =
67, 16
N ) ( 13 -1 )^2: [ 64 : 2^3 + ( 81 : 3^2- 8 ) .3 ] + 6^2
( 12 )^2 : [ 64 : 16 + ( 81 : 9 - 8 ) . 3 ] + 36 =
144 : [ 64 : 16 + ( 1 ) . 3 ] + 36 =
144 : [ 4 + 3 ] + 36 =
20.5 + 36 =
56.5
Bons Estudos ^^
Resposta:
Explicação passo a passo:
B)(10-4)-(9-8)+3=
= 6 - (1) + 3
= 5 + 3
= 8
_______________
C)50 - [37-(15-8)]
= 50 - [ 37 - (7)]
= 50 - [30]
= 20
_____________
D)28+[50-(24-2)-10]=
= 28+[50-(22)-10]
= 28+[50-22-10]
= 28+[50-32]
= 28+[18]
= 46
________________
E)20+[13+(10-6)+4]=
= 20 + [13 + 4 + 4]
= 20 + [21]
= 41
______________
F)5^2+2^3-2x(3+9)=
= 25 + 8 - 2.12
= 33 - 24
= 9
______________
G)6^2:3^2+4x10-12=
= 36:9 + 40-12
= 4+28
= 32
_____________
H)(7^2-1):3+2x5=
= (49-1):3 + 10
= 48:3 + 10
= 16+10
= 26
_______________
I)4^2-10+(2^3-5)=
= 16-10+(8-5)
= 6+3
= 9
________________
J)30-(2+1)^2+2^3=
= 30- (3)^2 + 8
= 30 - 9 + 8
= 30 - 1
= 29
____________
K)[4^2+(5-3)^3]:(9-7)^3=
= [16+(2)^3] : 2^3
= [ 16+8] : 8
= 24:8
= 3
________________
L)29-100:5^2+3. 16=
= 29 - 100:25 + 48
= 29 - 4 + 48
= 25 + 48
= 73
_________________
M)(17+7^2)+(42:36)=
= (17+49)+(42/36) :6/(:6)
= 66 + 7/6
= (6.66+7)/6
= (396+7)/6
= 403/6
= 67,17
__________
N)(13 - 1)^2 : [64 : 2^3 + (81 : 3^2 -8).3] + 6^2
=12^2:[64:8+(81:9-8).3]+36
= 144:[8+(9-8).3]+36
= 144:[8+1.3]+36
= 144: [8+3]+36
= 144: 11 + 36
= 13,09+36,00
= 49,09
_____________