Expressoes numericas
❤❤❤❤
Respostas
Resposta:
105-
a)30-40:(8-3):2
30-40:5:2
30-8:2
30-4
26
b) {100-413.(20-5.4)+25}:5
{100-413.(20-20)+25}:5
{100-413.0+25}:5
{100-0+25}:5
{100-25}:5
75:5
15
c) 400 - { 10 [ 30 : ( 30 - 0 : 17 ) - 1 } =
400 - { 10 [ 30 : 30 - 1 }
400 - 10 . 0
400
d)27+{14+3.[100:(18-4.2)+7]}:13
27+{14+3.[100:(18-8)+7]}:13
27+{14+3.[100:10]:13
27+{14+3.[10+7]}:13
27+{14+3.17}:13
27+{14+51}:13
27+65:13
27+5
32
106-
a)150-2.3.5+10
150-30+10
120+10
130
b)(10+240:4:6):5
(10+60:6):5
(10+10):5
20:5
4
a) 30 - 40 : ( 8 - 3 ) : 2 =
30 - 40 : 5 : 2 =
= 30 - 8 : 2 =
= 30 - 4 =
= 26
b) { 100 - 413 . (20 - 5 . 4) + 25 } : 5 =
= {100 - 413 . 0 + 25 } : 5 =
= { 100 + 25 } : 5 =
= 125 : 5 =
= 25
c) 400 - { 10 [ 30 : ( 30 - 0 : 17 ) - 1 } =
= 400 - { 10 [ 30 : 30 - 1 } =
= 400 - 10 . 0 =
= 400
d) 27 + { 14 + 3 . [ 100 : ( 18 - 4 . 2 ) + 7 ] } : 13 =
= 27 + { 14 + 3 . [ 100 : 10 + 7 ] } : 13 =
= 27 + { 14 + 3 . 17 ] } : 13 =
= 27 + 65 : 13 =
= 27 + 5 =
= 32
106)
a) 150 - 2 . 3 . 5 + 10 =
= 150 - 2 . 15 + 10 =
= 150 - 30 + 10 =
= 130
b) ( 10 + 240 : 4 : 6 ) : 5 =
= ( 10 + 10 ) : 5 =
= 20 : 5 =
= 4
Espero ter ajudado!