Respuesta:
a. (3x4)+5-2= 12+5-2=15
b. 2+(6x3)-9= 2+18-9=11
c. 56-35+(3x5)=56-35+15=36
d.[((3*7)+2)-(5+5-1+8)]*2= [(21+2)-(17)]*2= (23-17)*2=6*2= 12
e. {6+7-2+10-(7-3)} = {6+7-2+10-4} = {13-2+10-4}= {11+10-4}= {21-4}= 25
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Respuesta:
a. (3x4)+5-2= 12+5-2=15
b. 2+(6x3)-9= 2+18-9=11
c. 56-35+(3x5)=56-35+15=36
d.[((3*7)+2)-(5+5-1+8)]*2= [(21+2)-(17)]*2= (23-17)*2=6*2= 12
e. {6+7-2+10-(7-3)} = {6+7-2+10-4} = {13-2+10-4}= {11+10-4}= {21-4}= 25