a. 8 –(4 –7) =
b. –30+ 8 –( -5 ) + 1 –5 –( -3 ) + ( -7) =
plis ayuda
b. –30+ 8 –( -5 ) + 1 –5 –( -3 ) + ( -7) =
plis ayuda
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Respuesta:
11 y -25
Explicación paso a paso:
8 –(4 –7)
8 - (-3)
8 + 3 = 11
–30+ 8 –( -5 ) + 1 –5 –( -3 ) + ( -7)
-30 + 8 + 5 + 1 -5 + 3 - 7
-22 + 5 + 1 - 5 + 3 -7
-22 + 1 + 3 - 7
-18 - 7 = -25