735 + 6234 = 6969
6969 - 20 =6949
-20 negative 20 minus 20
-5 + (-4) - 12 - 20 - (-10) + 6 = -25
Zero
(-11) x (-10) + (-20) 110 + (-20) 90
20 + 10 - 31 + 30 - 5 = 24
396 divided by 20 plus 400,692 minus 20,093 is equal to 380,618.8
20
Answer : 130
The value expression of 60 minus 20 plus 70 is equal to 110.
NO!!!! Here is a table for multiplication/division of 'double (+/-) signs.'. (+)(+) = (+) (+)(-) = (-) (-)(+) = (-) (-)(-) = (+) Sometimes in higher level maths, you can have triple signs. Here is the table. (+)(+)(+) = (+)(+) = (+) (+)(-)(-) = (-)(+) = (-) (-)(+)(+) = (-)(+) = (-) (-)(-)(-) = (+)(-) = (-) It is irrelevant on the position of the 'sign'. NB If no sign is given, then read it as positive (+).
Overland - Plus or Minus 10 miles; Plus or minus 5 minutes Oversea - Plus or Minus 20 miles; Plus or minus 5 minutes
20 + 15 - 3 = 32