Hejka pomoże ktoś?? Muszę to zrobić na jutro proszę

a)4 4/10 + 2/3 * 1 8/10 = 4 2/5 + 2/3 * 1 4/5 = 22/5 + 2/3 * 9/5 = 22/5 + 6/5 = 28/5 = 5 3/5b)1,4 : [ ( 8/3 - 3/2 ) * 6] = 1,4 : [ ( 16/6 - 9/6 ) * 6] = 1 2/5 : [ 7/6 * 6 ] = 1 2/5 : 7 = 1 2/5 * 1/7 = 7/5 * 1/7 = 1/5c)( 25/4 - 4 7/10 ) : 1 4/5 = ( 25/4 - 47/10 ) : 1 4/5 = ( 250/40 - 188/40 ) : 1 4/5= 62/40 : 1 4/5= 62/40 * 9/5 = 558/200 = 2 158/200 = 2 79/100d)( 18/9 - 16/9 )*( 13/5 * 10/5 - 7/10 )=2/9*(130/25-7/10 )=2/9* 45/10=90/90=1I to po znaku rownania juz mozesz pisac