Respuesta:
a. 25+[4+(3+9)]
25+[4+(12)]
25+[4+12]
25+[16]
25+16
41
b. (17+10x3)-(5x2-9)
(17+30)-(10-9)
(47)-(1)
+47-1
46
c. (10-3+4x5)-(9x2+8)
(10-3+20)-(18+8)
(30-3)-(26)
(27)-26
+27-26
+1
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Respuesta:
a. 25+[4+(3+9)]
25+[4+(12)]
25+[4+12]
25+[16]
25+16
41
b. (17+10x3)-(5x2-9)
(17+30)-(10-9)
(47)-(1)
+47-1
46
c. (10-3+4x5)-(9x2+8)
(10-3+20)-(18+8)
(30-3)-(26)
(27)-26
+27-26
+1