Найдите число 2/5 которого равно 120

120:5*12=24*12=288-------------------------------0,85=85/100=17/2017:17*20=1*20=20------------------------------2,5:5*9=0,5*9=4,5------------------------------40%=40/100=2/572:2*5=36*5=180---------------------------4 1/11=45/112 19/22=63/2263/22:45=63/22*1/45=7/22*1/5=7/1107/110*11=7/10*1=7/10=0,7