sexta-feira, 5 de maio de 2017

Expressões numéricas




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)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 )

3) Calcule as expressões

a) 3x75+3x25 = (R:300)

b) 5x97+5x3 = (R:500 )

c) 4x101+4x99 = (R:800)

d) 20x47+80x47 = (R:4700)

e) 12+16:8x3-5 =(R:13)

f) 100-6x7+8:2 =)(R:62)

g) 64:8+5x5-3 = (R: 30)

h) 1+3+5x7-9:3 = (R:36)

4) Calcule o valor das expressões:

a) 7+15:3 = (R:12)

b) 4x5+1 = (R:21)

c) 10:2+8 =  (R:13)

d) 32+12:2 = (R:38)

e) 20:10+10 = (R:12)

f)7x3-2x5 = (R:11)

g)40-2x4+5 = (R:37)

h)4x3+10:2 =(R:17)

i)50-16:8+7 =(R:55)

j)32:4:2:2 =  (R:2)

5) Calcule o valor das expressões

a) (13+2)x3+5 = (R:50)

b)(7+2)x(3-1) = (R:18)

c)(4+2x5)-3 = (R:11)

d) 20-(15+6:3) = (R:3)

6) Calcule o valor das expressões

a) 70:7-1= (R:9)

b) 20+3x2= (R:26)

c) 30+10:10 = (R:31)

d) 150-7x12= (R:66)

e) 48:16+20:4 =(R:8)

f) 10-8:2+3 = (R:9)

g) 30:5-1+2x3 =(R:11)