Resolva as expressões numéricas abaixo:
a) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} =
b) { [ ( 18 – 3 ) + ( 7 + 5) – 2 ] + 5 } – 12 =
c) 65 – { 30 – [ 20 – ( 10 – 1 + 6) + 1 ]} =
d) 45 + { 15 – [ ( 10 – 8 ) + ( 7 – 4) – 3 ] – 4 } =
e) 40 + { 50 – [35 – ( 25 +5) – 1 ]} + 7 =
f) 38 – { 20 – [ 22 – ( 5 + 3) + ( 7 – 4 +1)]} =
Soluções para a tarefa
Respondido por
3
Resposta:
a) 25+{ 12 + [ 2 –2+2]} =
25+ { 12 + 2}=
25+14=39
b) { [ 15+12– 2 ] + 5 } – 12=
{25+ 5 } – 12=
30-12=18
c)65 – { 30 – [ 20 –15+ 1 ]}=
65 – { 30 – 6}=
65-24=41
d)45 + { 15 – [2+3-3] – 4}=
45 + { 15 – 2-4}=
45+9=54
e)40 + { 50 – [35 –30 – 1 ]} + 7 =
40 + { 50 – 4} + 7 =
40+ 46+7=93
f)38 – { 20 – [ 22 –8+4]}=
38-{ 20 –18}=
38-2=36
Perguntas interessantes