Question

Найдите значения выражений:

1) 2√53*2√2*√106;

2) 3√33*2√2*√66;

3) 7√21*2√2*√42;

4) 5√23*2√2*√46;

5) 2√30*4√2*√60;

 

 

 

 

 

 

 

 

 

 

Answer 1

2V53*2V2*V106 = 4*V(53*2)*V106 = 4*V106*V106 = 4*V(106*106) = 4*106 = 424

 

3V33*2V2*V66 = 6*V(33*2)*V66 = 6*V66*V66 = 6*66 = 396

 

7V21*2V2*V42 = 7*2*V(21*2)*V42 = 14*V42*V42 = 14*42 = 588

 

5V23*2V2*V46 = 10*V46*V46 = 460

 

2V30*4V2*V60 = 8*V60*V60 = 8*60 = 480