Question

Вычислите : 19/12+21/7:(12/5 - 25/7)=

Answer 1

19/12+21/7/(12/5-25/7)= -0,97764

Answer 2

тут с дробями

Answer 3

а не деление

Answer 4

1)12/5-25/7=84/35-125/35=-41/35=-1 6/35
2)21/7÷-1 6/35=-3/5÷1 6/35=-3/1÷41/35=-3/5×35/41=-105/41=-2 23/41
3)19/12+(-2 23/41)=19/12-2 23/41=-2 +779/492-276/492=-2+503/492=-481/492

Answer 5

т спасибо