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 ) ] =​