-0,9:(3 1/3-1 1/4×0.24)+0,4

Question

-0,9:(3 1/3-1 1/4×0.24)+0,4

Answer 1

1 1/4*0,24=1,25*0,24=0,3
3 1/3-3/10=3 10/30-9/30=3 1/30
-9/10:3 1/30=-9/10*30/91=-27/91
-27/91+2/5=-135/455+182/455=47/455