Question

1-) Resolva as expressões numéricas

a)90 + ( 95 + 62 ) + 31 =

b) 875 + 1213 - 158 + ( 69 - 17 ) ] } =

c)20 + [10 + ( 3 + 1 ) + 3 ] - 6 =

d) 946 - [683 + ( 98 + 33 - 29 ) ] =​

Answer 1

Resposta:

a)

90+(95+62)+31

90+157+31

278

b)

875+1213-158+(69-17)

875+1213-158+52

875+1055+52

1930+52

1982

c)

20+[10+(3+1)+3]-6

20+[10+4+3]-6

20+17-6

20+11

31

d)

946-[683+(98+33-29)]

946-[683+(98+4)]

946-[683+102]

946-785

161

Explicação passo-a-passo:

confia