EXERCÍCIOS EXPRESSÕES COM ADIÇÃO E SUBTRAÇÃO

EXPRESSÕES NUMÉRICAS COM ADIÇÃO E SUBTRAÇÃO EXERCÍCIOS

1) Calcule o valor das expressões
a) 10-1+8-4= (R:13)                       b) 12-8+9-3= (R:10)                     c) 25-1-4-7= (R:13)
d) 45-18+3+1-2= (R:29)                e) 75-10-8+5-1= (R:61)                 f) 10+5-6-3-3+1= (R:4) 

2) Efetue as operações
a) 237+98 = (R:335)                     b) 648+2334 = (R: 2982)                     c) 4040+404 = (R: 4444)
d) 4620+1398+27 = (R: 6045)      e) 3712+8109+105+79 = (R:12005)    f) 256-84 = (R: 172 )
g) 2711-348 = (R: 2363)               h) 1768-999 = (R: 769) i) 5043-2584 = (R: 2459)
j) 8742-6193 = (R: 2549)

3) Calcule o valor das expressões
a) 30-(5+3) = (R: 22)                      b) 15+(8+2) = (R: 25)                  c) 15-(10-1-3) = (R: 9)
d) 23-(2+8)-7 = (R: 6 )                   e) (10+5)-(1+6) = (R: 8)               f) 7-(8-3)+1= (R: 3 )

4) Calcule o valor das expressões
a) 25-[10+(7-4)] = (R:12)                        b) 32+[10-(9-4)+8] = (R:45)        c) 45-[12-4+(2+1)] = (R:34)
d) 70-{20-[10-(5-1)]} = (R:56)               e) 28+{13-[6-(4+1)+2]-1} = (R:37) 
f) 53-{20-[30-(15-1+6)+2]} = (R:45)      g) 62-{16-[7-(6-4)+1]} = (R:52)
h) 20-{8+[3+(8-5)-1]+6} = (R:1)             i) 15+{25-[2-(8-6)]+2} = (R:42)
j) 56-[3+(8-2)+(51-10)-(7-2)] = (R:11)    l){42+[(45-19)-(18-3)+1]-(28-15)-1} = (R:) 

5) Calcule o valor da expressões
a) 7-(1+3)= (R:3)                      b) 9-(5-1+2)= (R:3)                        c) 10-(2+5)+4= (R:7)
d) (13-7)+8-1= (R:13)               e) 15-(3+2)-6= (R:4)                      f) (10-4)-(9-8)+3= (R:8)
g) 50-[37-(15-8)]= (R:20)         h) 28+[50-(24-2)-10]= (R:46)         i) 20+[13+(10-6)+4]= (R:41)
j) 52-{12+[15-(8-4)]}= (R:29)

6)Calcule o valor das expressões:
a) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} = (R:39)         
b) { [ ( 18 – 3 ) + ( 7 + 5) – 2 ] + 5 } – 12 = (R:18)
c) 65 – { 30 – [ 20 – ( 10 – 1 + 6) + 1 ]} = (R: 41) 
d)45 + { 15 – [ ( 10 – 8 ) + ( 7 – 4) – 3 ] – 4 } = (R:54)
e) 40 + { 50 – [35 – ( 25 +5) – 1 ]} + 7 = (R:93)
f)38 – { 20 – [ 22 – ( 5 + 3) + ( 7 – 4 +1)]} = ( R:36)
g) 26 + { 12 – [ ( 30 – 18) + ( 4 – 1) – 6 ] – 1 } = (R:28)

7) Calcule o valor das expressões
a) 10 - 5 - 2 + 3 = (R: 6)              b) 10 - ( 5 + 2) + 3 = (R:6)           c) ( 10 - 5) - ( 2 + 3) = ( R: 0)
d) 10 - ( 5 - 2 + 3) = ( R: 4)         e) ( 17 + 9 ) - 8 - ( 11 + 4) = (R: 3)
f) 86 + ( 31 - 16 + 60 ) - ( 200 - 70 - 50 ) = ( R: 81)  
g) ( 79 + 21 - 84) + ( 63 - 41 + 17 ) - 26 = ( R: 29)

8) Calcule o valor das expressões:
a) 10 – 1 + 8 – 4 = (R 13)           b) 12 – 8 + 9 – 3 = (R: 10)           c) 25 – 1 – 4 – 7 = ( R: 13)
d) 30 – ( 5 + 3 ) = ( R: 22)            e) 15 + ( 8 + 2 ) = (R: 25)            f) 25 – ( 10 – 1 – 3 ) = (R: 19)
g) 45 – 18 + 3 + 1 – 2 = ( R: 29)   h) 75 – 10 – 8 + 5 – 1 = (R: 61)   i) 10 + 5 – 6 – 3 – 3 + 1 = (R: 4)
 j) 23 – ( 2 + 8 ) – 7 = (R: 6)         k) ( 10 + 5 ) – ( 1 + 6 ) = ( R: 8)   l) 7 – ( 8 – 3 ) + 1 = (R: 3)
m) 25 – [ 10 + ( 7 – 4 ) ] = (R: 12)