Posted by **Alex** on Saturday, September 27, 2008 at 12:12pm.

What properties are these problems?

1. 17 + ___ = 33 + 17

2. (10 + 4) + 21 = (___ + 21)

3. 14 × 25 = 25 × ____

4. 8(4 × 2) = (8 × 4)____

## Answer This Question

## Related Questions

- math [geometry honors] - i really need help solving these problems since the ...
- spanish - Usa la forma presente de ESTAR con el participio pasado del verbo ...
- math - Find the missing numbers to complete the patterns. Some are arithmetic ...
- Math Calculus - f(x) = (x^3+5x^2-28x-32)/(x^3-18x^2+105x-196) which can be ...
- science - freezing and thawing cycle that causes potholes in roads and breaks in...
- PHYSICS HELP - Draw an arrow in the box that shows the direction of the force. ...
- Linear equations - I am not good at equations I need to complete this chart for ...
- math - Use the following missing pieces to complete the runaway math puzzle. 2 6...
- MATH - i need help filling this out! 4x-10=32-3x 4x-10+____=32-3x+22 ____-10+...
- Math - Complete each ratio table: ___ 12 18 24 4.5 ___ ___ 18 80.8 40.4 ____ 10....

More Related Questions