(-1/2 + 2/5) - (-0,36 - 0,64 ) - 1 13/15 =-1/12+2/5+0,36+0,64-1 13/15=-11/20
1)0,36+0,64=1
2)-1/12+2/5-1 13/15=-5/60+24/60-
1 52/60=-1 33/60=-1 11/20
3)-1 11/20+1=-11/20
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(-1/2 + 2/5) - (-0,36 - 0,64 ) - 1 13/15 =-1/12+2/5+0,36+0,64-1 13/15=-11/20
1)0,36+0,64=1
2)-1/12+2/5-1 13/15=-5/60+24/60-
1 52/60=-1 33/60=-1 11/20
3)-1 11/20+1=-11/20