Question

- 1/12 - ((-0.73-(-0.37))-(5/42-17/35-(-11/20))) srochno

Answer 1

=-1/12-((-0,73+0,37)-((50-204)/420+11/20))=-1/12-(-0,36-(-154/420[при сокращении 11/30]+11/20))=-1/12-(-9/25-(-22/60+33/60))=-1/12-(-9/25+1/6)=1/12-(-29/150)=-1/12+29/150=(-25+58)/300=-33/300=-0,11