Question

-250+400=?

-590+600=?

-125+125=?

-500+600=?

-999+125=?

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Answer 1

Resposta:

a)-250+400=+650

b)-590+600=+1.190

c)-125+125=-150.

d)-500+600=1.100

e)-999+125=1.124

Answer 2

A)150

B)10

C)0

D)100

E)-874

Explicação passo-a-passo:

A)-250+400

-250+400

+(400-250)

150

resposta

150

B)-590+600

-590+600

+(600-590)

10

resposta

10

C)-125+125

-125+125

0

resposta

0

D)-500+600

-500+600

+(600-500)

100

resposta

100

E)-999+125

-999+125

-(999+125)

-874

resposta

-874