Question

5✓3+7✓3-2✓3. ✓5+3✓5-4✓5. -✓7-4✓7+3✓7. 3✓2x5✓3+✓6. (6✓12):(3✓3)-5. 3✓2+7√6:✓3. dau coroana plssss​

Answer 1

Răspuns:

a)10√3

b)9√5

c)13√7

d)21√6

e)2√4

f)10√2

explicatie

comunitatitivitatea

√a·√b=√b·√a

asociativitatea

(√a·√b)·√c=√a·(√b·√c)

elementu neuntru

√a·1=√a

distributivitatea fata de + si -

√a(√b+√c)=√a·√b+√a·c