Răspuns:
1
Explicație pas cu pas:
[(7/36-11/72-5/24):6/9+0,75]•0,5+3/4 =
(-1/6•9/6+3/4)•1/2+3/4 =
(-1/6•3/2+3/4)•1/2+3/4 =
(-1/2•1/2+3/4)•1/2+3/4 =
(-1/4+3/4)•1/2+3/4 =
1/2•1/2+3/4 =
1/4+3/4 =
= 4/4 = 1.
0,(6) = 6/9