Question

Calculati:

a

1. √2•√6+23√3

2. (√10)•√15-13√6

3. (3√2)•(-4√6)+20√3

b

1. √21•√7+√5•√15

2. (-√10) •√5+√14•√7

c

1. (-√14) •(4√7) -(5√6) •(-√3}

2. (-2√21) •(-2√7) +(-√15) •(-√5)

d

1. 4√10•(√7•√14-3√50+√72)

2. 5√15•(√2•√10-4√20+√80)

​

Answer 1

Răspuns:

√2x√6+√=25√3 (√10)x(-4√6) +20√3=3,657149321718