Question

1) 5.8:2- (6 supra 5) la puterea 2
2) 5.2:0.4-( 78 supra 25 ) la puterea 2​

Answer 1

Răspuns:

1)

5,8÷2-(6/5)²=58/10×2-36/25=⁵58/5-36/25=

290/25-36/25=254/25=10,16

2)

5,2÷0,4-(78/25)²=52/10÷4/10-6084/625=

=52/10×10/4-6084/625=

=⁶²⁵13-6084/625=

=8125/625-6084/625=

=2041/625=3,2656