Пошаговое объяснение:
( 7 - 2/3 ) : (1 3/4 - 1/6 ) * ( 1 1/5 + 2 2/3 + 1/6 ) = 9 37/90 .
1) 7 - 2/3 = 6 1/3 ;
2) 1 3/4 -1/6 = 1 9/12 - 2/12 = 1 7/12 ;
3) 1 1/5 + 2 2/3 = 1 3/15 + 2 10/15 = 3 13/15 ;
4) 3 13/15 + 1/6 = 3 31/30 = 4 1/30 ;
5) 6 1/3 : 1 7/12 = 19/3 : 19/7 = 19/3 * 7/19 = 7/3 = 2 1/3 ;
6) 2 1/3 * 4 1/30 = 7/3 * 121/30 = 847/90 = 9 37/90 .
ответ:(7-2/3):(1 3/4-1/6)*(1 1/5+2 2/3+1/6)= 84 244/420
1) 7-2/3=6 1/3
2)1 3/4(6)-1/6(4)=1 18/24-4/24=1 14/24
3) 1 1/5(6)+2 2/3(10)+1/6(5)=3 6+20+5/30= 4 1/30
4) 6 1/3: 1 14/24= 19/3 * 1 48/14= 21 10/14
5) 21 10/14 * 4 1/30= 304/14 * 121/30= 84 244/420
Пошаговое объяснение:
( 7 - 2/3 ) : (1 3/4 - 1/6 ) * ( 1 1/5 + 2 2/3 + 1/6 ) = 9 37/90 .
1) 7 - 2/3 = 6 1/3 ;
2) 1 3/4 -1/6 = 1 9/12 - 2/12 = 1 7/12 ;
3) 1 1/5 + 2 2/3 = 1 3/15 + 2 10/15 = 3 13/15 ;
4) 3 13/15 + 1/6 = 3 31/30 = 4 1/30 ;
5) 6 1/3 : 1 7/12 = 19/3 : 19/7 = 19/3 * 7/19 = 7/3 = 2 1/3 ;
6) 2 1/3 * 4 1/30 = 7/3 * 121/30 = 847/90 = 9 37/90 .
ответ:(7-2/3):(1 3/4-1/6)*(1 1/5+2 2/3+1/6)= 84 244/420
1) 7-2/3=6 1/3
2)1 3/4(6)-1/6(4)=1 18/24-4/24=1 14/24
3) 1 1/5(6)+2 2/3(10)+1/6(5)=3 6+20+5/30= 4 1/30
4) 6 1/3: 1 14/24= 19/3 * 1 48/14= 21 10/14
5) 21 10/14 * 4 1/30= 304/14 * 121/30= 84 244/420
Пошаговое объяснение: