• Matéria: Matemática
  • Autor: gabrieleleticia
  • Perguntado 8 anos atrás

Resolva as expressoes :
a) (-3+4-2) . ( +1-7+2)
b)(-4+5-7) . (-8+5+2)
c) ( -2-4+9) . (-5+1+11)
d) ( -7+4-5) . (-9+12-5)
e) (-10+4+11) . (+10-5-13)
f) (+3+5-2) . (+7+9-8)
g)(-7-8+5) . (-3+8-9)
h)(-9+3+4) . (-1-3+7)
i) (-13+7+4) .(+15-9-2)
j) (+10+5-7) . (-9-7+4)
PRECISO URGENTE

Respostas

respondido por: Attano
1

a) (-3+4-2) . ( +1-7+2)

( -1 ) · ( -4 ) = 4


b)(-4+5-7) . (-8+5+2)

( -6 ) · ( -1 ) = 6


c) ( -2-4+9) . (-5+1+11)

( +3 ) · ( +7 ) = 21


d) ( -7+4-5) . (-9+12-5)

( -8 ) · ( -2 ) = 16


e) (-10+4+11) . (+10-5-13)

( +5 ) · ( -8 ) = -40


f) (+3+5-2) . (+7+9-8)

( +6 ) · ( +8 ) = 48


g)(-7-8+5) . (-3+8-9)

( -10 ) · ( -4 ) = 40


h)(-9+3+4) . (-1-3+7)

( -2 ) · ( -3 ) = 6


i) (-13+7+4) . (+15-9-2)

( -2 ) · ( +4 ) = -8


j) (+10+5-7) . (-9-7+4)

( 8 ) · ( -12 ) = -96

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