Question

Va rog repede ! Dau coroana!!!!
Calculați: ​

Answer 1

Explicație pas cu pas:

a) 0,6*(1*9+1)/9-7/9:(2-1/4)=0,6*(10)/9-7/9:(8/4-1/4)=

= 0,6*(10)/9-7/9:7/4=0,6*(10)/9-7/9*4/7=0,6*(10)/9-4/9=

=6/10*10/9-4/9=60/90-4/9=60/90-40/90=20/90=2/9