por favor me ajudem com essas perguntas 3) [ 12² - (2 -8) . 2 - 18 ] : [2 - (-3+ 2)] + (2 - 4) . (3- 5) -1
4) [ √169 - ( 2⁸ - 68 ) . 2 – 11 ] : [ 2⁴ - ( - 3 + 2 )]
5) 101 – [ ( 135 : 9 x 12 ) +( 117: 13 - 47 )]
6) 180 - { 3 . [ 5 . 3 + ( 12 . 6 – 2 . 9 ) – (27 . 3 – 37)]} : 3
7) [3³ . ( 2⁷ - 4 - 26 . 5 ) - 7 ] + 3 . ( 2⁶ – 28 ) - (100 : 25)
8) {[(2 .11 +√ 36 . 3² ) : ( 3⁶ : 3 – 7 . 2⁵ ) . ( 45 : 3 – 10) : 5 ] : 2 }
9) - 67 + { 50 . [ 70 : ( 27 + 8 ) + 18 : 2 ] +21 }
10) { - 2 . [ 75 . 3 + ( 18 . 6 – 2 . 19 ) – ( 22 . 3 – 37)]}
Soluções para a tarefa
Resposta:Segue as contas abaixo na explicação
Explicação passo-a-passo:
3) [ 12² - (2 -8) . 2 - 18 ] : [2 - (-3+ 2)] + (2 - 4) . (3- 5) -1
[144-(-6).2-18]:[2-(-1)]+(-2).(-2)-1
[144-(-12)-18]:[2+1]+4-1
[144+12-18]:3+4-1
[156-18]:3+3
138:3+3
46+3
49
4) [ √169 - ( 2⁸ - 68 ) . 2 – 11 ] : [ 2⁴ - ( - 3 + 2 )]
[13-(256-68).2-11]:[16-(-1)]
[13-(188).2-11]:[16+1]
[13-376-11]:[17]
[13-387]:[17]
[-374:[17}
-22
5) 101 – [ ( 135 : 9 x 12 ) +( 117: 13 - 47 )]
101-[(15.12)+(9-47)]
101-[180-38]
101-[142]
101-142
-41
6) 180 - { 3 . [ 5 . 3 + ( 12 . 6 – 2 . 9 ) – (27 . 3 – 37)]} : 3
180-{3.[15+(72-18)-(81-37)]}:3
180-{3.[15+54-44]}:3
180-{3.[69-44]}:3
180-{3.{25}:3
180-{75}:3
180-25
155
7) [3³ . ( 2⁷ - 4 - 26 . 5 ) - 7 ] + 3 . ( 2⁶ – 28 ) - (100 : 25)
[27.(128-4-130)-7]+3.(64-28)-4
[27.(128-134)-7]+3.36-4
[27.(-6)-7]+108-4
[-162-7]+104
-169+104
-65
8) {[(2 .11 +√ 36 . 3² ) : ( 3⁶ : 3 – 7 . 2⁵ ) . ( 45 : 3 – 10) : 5 ] : 2 }
{[(22+6.9):(729:3-7.32).(15-10):5]:2}
{[(22+54):(243-224).5:5]:2}
{[76:19.1]:2}
{[76:19]:2}
{4:2}
2
9) - 67 + { 50 . [ 70 : ( 27 + 8 ) + 18 : 2 ] +21 }
-67+{50.[70:35+9]+21}
-67+{50.[2+9]+21}
-67+{50.11+21}
-67+{550+21}
-67+571
504
10) { - 2 . [ 75 . 3 + ( 18 . 6 – 2 . 19 ) – ( 22 . 3 – 37)]}
{-2.[225+(108-38)-(66-37)]}
{-2.[225+70-29]}
{-2.[295-29]}
{-2.266}
-532