Question

copie no seu caderno e resolva as expressões numerada abaixo:

a)7-(1+3)=

b)9-(5-1+2)=

c)10-(2+5)+4=

d)(13-7)+8-1=

e)(10-4)-(9-8)+3=

f)50-[37-(3.(-5+15)-8)]=

g)20+[13+(10-6)+4]=

h)52-{12:(-12)+[15-(8-4)]}=

I) 25+{12+[2-(8-6):2]}=

j){[(18-3)+(7+5)-2]+5}-12=

k)65-{30-[20:(-10-1+6)+1]}=
​

Answer 1

Resposta:

a)R=3

b)R=3

c)R=7

d)R=13

e)R=8

f)R= -9

g)R=41

h)R=63

i)R=38

j)R=18

k)R=40