-1.35
Объяснение:
((1/3×2.5-7/8):5/12)-1 1/4=
((1/3×25/10-35/40))×12/5)-5/4=
((25/30-105/120)×12/5)-5/4=
((100/120-105/120)×12/5)-5/4=
(-5/120×12/5)-5/4=-1/10-5/4=-0.1-1.25=
-1.35
Объяснение:
((1/3×2.5-7/8):5/12)-1 1/4=
((1/3×25/10-35/40))×12/5)-5/4=
((25/30-105/120)×12/5)-5/4=
((100/120-105/120)×12/5)-5/4=
(-5/120×12/5)-5/4=-1/10-5/4=-0.1-1.25=
-1.35