27/75+0,32-7/15=?

(1/3-1/4)-(1/5-1/6)=?

Ответы:

23/30+2/45=0,811

27/75+0,32-7/15=0,2134

(1/3-1/4)-(1/5-1/6)=-1,2



23/30+2/45=6990+490=7390

27/75+0,32-7/15=2775+32100-715=2775+825-715=2775+2475-3575=1675

(1/3-1/4)-(1/5-1/6)=(2060-1560)-(1260-1060)=560-260=360=120