Question

-7,2÷(-×)=одна целая читири седьмих

Answer 1

-7,2÷(-×)=1 4/7
-х=-72/10*7/11
-х=-36/5*7/11
Х=252/55
Х=4 32/55
Проверка
36/5*55/252
396/252=1 144/252=1 4/7