Question

d) 1,2-[(0,2-1,5+0,2.10).100]+2,12;
e) (12,8-25 -1,8-(1,7-0,6+3,4.5)]:100.​

Answer 1

Răspuns:

d) 1,2-[(0,2-1,5+2)×100]+2,12=

1,2-(0.7×100)+2,12=

1,2-70+2,12=

-68,8+2,12=

-66,68

e) [12,8-25-1,8-(1,7-0,6+17)]:100=

(12,8-25-1,8-18,1):100=

-32,1:100=

-0,321