Answers

2014-07-13T00:31:21+08:00
5√176  + 4√11=  5(√ 16 .11)  = 20√11 + 4√11 =  24√11
3√50 + √32 =  3√ (2 .25 )+ √(16 .2) = 15√2 + 4√2 =  19√2
2√90 + 2√250 = 2√(9 .10) + 2√(25 .10) = 6√10 + 10√10 = 16√10
1 5 1