Insert one of the following <, >, =, ≤ .
(-3) - (-4) ____ (-4) + (-3)
<
>
=
≤
(−3)−(−4)=−3+4 =+1(−4)+(−3)=−4−3 =−7 Since +1>−7, (−3)−(−4)>(−4)+(−3)
By inserting parenthesis (that is brackets), you can get several values for 2 × 3 + 4 × 5. (For example ((2 × 3) + 4) × 5 is one way of inserting parenthesis). How many such values are there?