Question

URGENTE!!!
Calcule:
• a) (-5+0).(-4-7)=
• b) (+7-2).(+1-4)=
• c) (0-4).(-2+6)=
• d) (+1+4).(-6-7)=
• e) (-3+5).(-4+1)=
• f) (-1-6).(-8-3)=

Answer 1

a) -5 . (-28) 
140

b) 5 . (-3)
-15

c) 0 . 4
0

d) 5 . (-42)
-210

e) 2 . (-3)
-6

f) -7 . (-5)
35