Question

Am nevoie repede 5 ex la alegere fara d,j,k,l,m repede dau puncte maxime coroana si imimaa

Answer 1

Răspuns:

a)=5/2+0,039:0,05·3-2,526

=2,5+2,34-2,526

=2,314

b)=2,8+0,7·10:(3+0,2·5/2)

=2,8+0,7·10:(3+0,2·2,5)

=2,8+0,7·10:(3+0,5)

=2,8+0,7·10:3,5

=2,8+2

4,8

e)=8/10·(2/3+75/100)+3:4,5-1/6

=4/5[(200+225)/300]+3/1:45/10-1/6

=4/5·425/300+3/1·10/45-1/6

=85/75+10/15-1/6

=17/15+2/3-1/6

=(17+20-5)/30=32/30=16/15

=1,0(6)

h) (0,2+0,5+0,2):[(0,35+0,4)·10-6,5]

=0,9:(0,75·10-6,5)

=0,9:(7,5-6,5)

=0,9:1

=0,9

i) =3,75+(0,5-0,2+0,35)·10

=3,75+0,65·10

=3,75+6,5

=10,25