Calcule as expressões:
a) 50 – [ 37 – ( 15 – 8 ) ] =
b) 28 + [50 – (24 – 2) -10 ] =
c) 20 + [ 13 + (10 – 6) + 4] =
d) 52 – { 12 + [ 15 – ( 8 – 4)]} =
e) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} =
f) { [ ( 18 – 3 ) + ( 7 + 5) – 2 ] + 5 } – 12 =
g) [( 4² + 2 . 3²) + ( 16 : 8)² - 35]² + 1¹⁰ - 10⁰ =
h) 13 + ( 10 – 8 + (7 – 4)) =
(10 . 4 + 18 – ( 2 . 3 +6)) =
j) 7 . ( 74 – ( 4 + 7 . 10)) =
k) ( 19 : ( 5 + 3 . 8 – 10)) =
l) (( 2³ + 2⁴) . 3 -4) + 3² =
m) 3 + 2 . [(3²- 2⁰) + ( 5¹ - 2²)] + 1 =
alguem me ajuda isso e pra amanha as 7:30
Soluções para a tarefa
Resposta:
a) 50 – [ 37 – ( 15 – 8 ) ] =
50-[-37-8]
50+45=
95
b) 28 + [50 – (24 – 2) -10 ] =
28+[50-18-10]=
28+[32-10]=
28+18=
46
c) 20 + [ 13 + (10 – 6) + 4] =
20+[13+4+4]=
20+[17+4]=
20+21=
41
d) 52 – { 12 + [ 15 – ( 8 – 4)]} =
52-{12+[15-4]}=
52-{12+11]}=
52-23=
29
e) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} =
25+{12+[2-2+2]}=
25+{12+[0+2]}=
25+{12+2}=
25+14=
39
f) { [ ( 18 – 3 ) + ( 7 + 5) – 2 ] + 5 } – 12 =
{[15+12-2]+5}-12=
{[27-2]+5}-12=
{25+5}-12=
30-12=
18
g) [( 4² + 2 . 3²) + ( 16 : 8)² - 35]² + 1¹⁰ - 10⁰ =
[(16+2.9)+(2)²-35]²+1-1=
[(16+18)+4-35]²+1-1=
[34+4-35]²+1-1=
[38-35]²+1-1=
[3]²+1-1=
9+1-1=
10-1=
9
h) 13 + ( 10 – 8 + (7 – 4)) =
13+(10-8+3)=
13+(2+3)=
13+5=
18
(10 . 4 + 18 – ( 2 . 3 +6)) =
(10.4+18-(6+6))=
(40+18-12)=
58-12=
46
j) 7 . ( 74 – ( 4 + 7 . 10)) =
7. (74-(4+70))=
7.(74-74)=
7.0=
0
Resposta:
a=20
b=6
c=41
d=29
e=39
f=12
g=1176
h=8
i=46
j=980
k=0
L=14
m=34
espero ter ajudado