Resolver expresando el proceso paso a paso
A.5-6 [(12-9)+(7-11)]
B.21+4 [1+2×(6-10)]
A.5-6 [(12-9)+(7-11)]
B.21+4 [1+2×(6-10)]
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Respuesta:
A. 11
B. -7
Explicación paso a paso:
A. 5-6 [(12-9)+(7-11)]
5 - 6 [(3)+(-4)]
5 - 6 [-1]
5 + 6 = 11
B. 21+4 [1+2×(6-10)]
21+4 [1+2×(-4)]
21+4 [1-8]
21+4 [-7]
21-28 = -7