а) 5√3 × 2√3 = 10√3 × 3 = 30√3б) 3√5 × 4√20 = 12√100 = 12 10 = 120в) 2√52√52√5² / 10 = 4</em>54 </em> 54</em>5 / 10 = 20 / 10 = 2г) √8 / √50 = √8/508/508/50 = √0.16 = 0.4д) 2√10 × √2 / √80 = 2√10<em>210 <em> 210<em>2 / √8</em>108 </em> 108</em>10 = 2√20 / √80 = 2√20 / 4 = √20 / 2 = √4∗54 * 54∗5 / 2 = 2√5 / 2 = √5
а) 5√3 × 2√3 = 10√3 × 3 = 30√3
б) 3√5 × 4√20 = 12√100 = 12 10 = 120
в) 2√52√52√5² / 10 = 4</em>54 </em> 54</em>5 / 10 = 20 / 10 = 2
г) √8 / √50 = √8/508/508/50 = √0.16 = 0.4
д) 2√10 × √2 / √80 = 2√10<em>210 <em> 210<em>2 / √8</em>108 </em> 108</em>10 = 2√20 / √80 = 2√20 / 4 = √20 / 2 = √4∗54 * 54∗5 / 2 = 2√5 / 2 = √5