Question

a) 35+[-21-(12+35)]
b)-20-[21+(20-16)+11]
c)20-(16+17)-[15-(18-23)]
d)(-30)-[37+(35-31-34)-36]
Preciso da conta ​

Answer 1

Resposta:

A) 33 B)56 C)33 D)1

Explicação:

a) 35+[-21-(12+35)]

35+[-21-47]

35-68= -33*-1 = 33

b)-20-[21+(20-16)+11]

-20-[21+4+11]

-20-36= -56*-1 = 56

c)20-(16+17)-[15-(18-23)]

20-33-[15-(-5)]

20-33-20 =20-53= -33*-1=33

d)(-30)-[37+(35-31-34)-36]

-30-[37+(-30)-36]

-30-[29]=1