Calcula las siguientes multiplicaciones:
a. –6 · 6 =
b. – 17 · 7 =
c. 7 · –15 =
d. –20 · –7 =
e. 7 · –71 =
a. –6 · 6 =
b. – 17 · 7 =
c. 7 · –15 =
d. –20 · –7 =
e. 7 · –71 =
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Respuesta:
a. -36
b. -119
c. -105
d. 140
e. -497