Resolva as Expressões Numéricas abaixo:
a) 27 – 2 x [ 35 + (75 – 5 ) x 3 ] =
b) 55 + { 3 + [ ( 23 + 12 ) + ( 13 + 25 x 2 )] + 15 } =
c) { 60 – [ 5 + (3 x 8 - 4) ] } ÷ 5 + 45 x 2 – ( 82 – 40 ) x 5 =
d) { [ ( 33 x 33 + 3 ) ÷ 7 + ( 3 + 30 ÷ 5 ) x 3 ] x 2 – ( 29 – 7 ) ÷ 6 } x 2 + 27 x 3 =
Respostas
Resposta / Explicação passo a passo:
a) 27 – 2 x [ 35 + (75 – 5 ) x 3 ] =
27 – 2 x [ 35 + 70 x 3 ] =
27 – 2 x [ 35 + 210 ] =
27 – 2 x [ 245 ] =
27 - 490 = ........... -463 ( Resposta )
b) 55 + { 3 + [ ( 23 + 12 ) + ( 13 + 25 x 2 )] + 15 } =
55 + { 3 + [ ( 35 ) + ( 13 + 50 )] + 15 } =
55 + { 3 + [ 35 + 45 ] + 15 } =
55 + { 3 + [ 35 + 45 ] + 15 } =
55 + { 3 + 80 + 15 } =
55 + 98 = ......... 153 ( Resposta )
c) { 60 – [ 5 + (3 x 8 - 4) ] } ÷ 5 + 45 x 2 – ( 82 – 40 ) x 5 =
{ 60 – [ 5 + ( 24 - 4) ] } ÷ 5 + 90 – 42 x 5 =
{ 60 – [ 5 + 20 ] } ÷ 5 + 90 – 210 =
{ 60 – 25 } ÷ 5 + 90 – 210 =
35 ÷ 5 + 90 – 210 =
7 + 90 - 210 = ....... -113 ( Resposta )
d) { [ ( 33 x 33 + 3 ) ÷ 7 + ( 3 + 30 ÷ 5 ) x 3 ] x 2 – ( 29 – 7 ) ÷ 6 } x 2 + 27 x 3 =
{ [ ( 1 089 + 3 ) ÷ 7 + ( 3 + 6 ) x 3 ] x 2 – ( 22 ) ÷ 6 } x 2 + 81 =
{ [ ( 1 089 + 3 ) ÷ 7 + 9 x 3 ] x 2 – ( 22 ) ÷ 6 } x 2 + 81 =
{ [ 1 092 ÷ 7 + 27 ] x 2 – ( 22 ) ÷ 6 } x 2 + 81 =
{ [ 156 + 27 ] x 2 – ( 22 ) ÷ 6 } x 2 + 81 =
{ [ 156 + 27 ] x 2 – ( 22 ) ÷ 6 } x 2 + 81 =
{ 183 x 2 – 22 ÷ 6 } x 2 + 81 =
{ 183 x 2 – 22 ÷ 6 } x 2 + 81 =
{ 366 - 22/6 } x 2 + 81 =
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366/1 - 22/6 = ....... MMC ( 1; 6 ) = 6
.... 366/1 ........ 6 : 1 = 6 ............ 6 x 366 = ......... 2 196/6 ( * )
.... 22/6 ........ 6 : 6 = 1 ............. 1 x 22 = ............. 22/6 ( ** )
-------- 2 196/6 - 22/6 = ......... 2 174/6
....................................................................................
2 174/6 x 2 + 81 =
2 174/3 + 81/1 =
.... MMC ( 3; 1 ) = 3
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..2 174/3 ......... 3 : 3 = 1 ......... 1 x 2 174 = ........... 2 174/3 ( .... )
.. 81/1 .............. 3 : 1 = 3 .......... 3 x 81 = ............... 243/3 ( ..... )
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CONCLUSÃO FINAL: 2 174/3 + 81/3 = ...... 2 255/3 ( RESPOSTA )
ATÉ . . .