Question 1

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Marked out of 1.00

Question text

Suma recol·locant els sumands segons els signes, com a l'exemple:

 

left parenthesis negative 3 right parenthesis plus left parenthesis plus 5 right parenthesis plus left parenthesis negative 12 right parenthesis plus left parenthesis plus 6 right parenthesis
equals space left parenthesis plus 5 right parenthesis plus left parenthesis plus 6 right parenthesis plus left parenthesis negative 3 right parenthesis plus left parenthesis negative 12 right parenthesis
equals space left parenthesis plus 11 right parenthesis plus left parenthesis negative 15 right parenthesis
equals thin space minus 4 

 

text ( end text minus 10 text ) end text plus text ( end text minus 10 text ) end text plus text ( end text plus text 6) end text plus text ( end text plus text 2) end text space equals space...

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