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¿Cuál es el resultado de
-23
23
-21
21
Calcula
18
36
-12
12−6+8−(−3)−5+9−(−7)+812-6+8-\left(-3\right)-5+9-\left(-7\right)+812−6+8−(−3)−5+9−(−7)+8
17
-17
(51)(−7)=\left(51\right)\left(-7\right)=(51)(−7)=
-357
426
-366
548
(12)(−5)(−3)=\left(12\right)\left(-5\right)\left(-3\right)=(12)(−5)(−3)=
180
-180
-4
4
158
(−16)(−8)−8=\left(-16\right)\left(-8\right)-8=(−16)(−8)−8=
120
-1024
-32
64
−192−12=\frac{-192}{-12}=−12−192=
16
-16
12
−7557÷−11=-7557\div-11=−7557÷−11=
687
-167
-668
712
425÷(−17)=425\div\left(-17\right)=425÷(−17)=
25
32
-25
La temperatura de anoche eran 17° a la media noche. Cada hora ésta disminuyó 5 grados cada hora. ¿Cuál fue la temperatura a las 5am?
-8°
8°
-7°
7°
-12°
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