1. |4x - 3| = 0
4x = 0+3
4x = 3
x = -3:4
x = 3\4 (дробь)
2. |4 - 5x| = 0
5x = 0 - 4
5x = -4
x = -4 : 5
x = - 4\5 (дробь)
Сорри, остальное не знаю(
5 4/7: 1 5/21-(5 2/15*3/22+1 14/15)=39/7*21/
1)<span>5 4/7: 1 5/21 =39/7*21/26 =3*3/2 =9/2
2)77/15*3/22=7/5*1/2=7/10
3)7/10+29/15= 79/30
4) 9/2-79/30=56/30=28/15= 1 целая 13/15
</span>
0,7777
24/800=3/100=0,03
66/600=11/100=0,11
82/200=41/100=0,41
63/700=9/100=0,09
95/500=19/100=0,19