Question

1. Calculaţi:
a){ [ (0,8 +0,9 -0,2): 0,01 - 24]: 0,1 - 50}• 0,4;

2. Rezolvați ecuația :
a) (1,1+x)+(2,2+2x)+(3,3+3x)+(4,4+4x)=61.​

ESTE UNRGENTTTTTTTTTTTTTTTTTTTTTTTTTTT!!!

Answer 1

{[(0.8+0.9-0.2):0.01-24]:0.1-50}•0.4

[(0.15:0.01-24):0.1-50]•0.4

[(15/100•100/1-24):1/10-50]•4/10

(-9•10-50)•4/10

-40•4/10

-140/10

-14