Question

hveți mai repede calculând:

a) (56:2puterea2 +2*9:3): 2puterea2 – 2puterea2 =

b) 3puterea5*(3puterea2*3puterea7)totul la puterea 3:3puterea2puterea5 =

c) (576:48+4puterea2): (2puterea9:2puterea7) =

d) [(4puterea2+2puterea2):5+8*7]:5-3puterea2-3puterea1=

e) [(25*7–13puterea2)* 12puterea17-4puterea10 =​

Answer 1

Răspuns:

a.(56:4+18:3)÷4-4

=( 14+6)÷4-4

=20÷4-4

=5-4

=1

c. (12 +16):2⁹:2⁷

= 28 : 2²

=28:4

=7

d. [(16+4):5+56]÷5-9-3

= (20 ÷5 +56 )÷5-9-3

= (4 +56 ) ÷5-9-3

= 60÷5-9-3

= 12 -9-3

=3-3

=0

E. [(175-169)×12⁷-4¹⁰

= 6×12⁷-4¹⁰

= .....Nu mai stiu =))