3,006 3,01 3,14 3,405 3,45
2072:37+(2626-2419)*27=5645
1) 2072:37=56
2) 2626-2419=207
3) 207*27=5589
4) 56+5589=5645
.......................................
<span>х/10=600+60 x/10=660 x=660*10 x=6600 6600/10=660 </span>
3 3/4х + 1 2/3 = 2 11/12,
15/4х + 5/3 = 35/12,
15/4х = 35/12 - 5/3,
15/4х = 35/12 - 20/12,
15/4х = 15/12,
х = 15/12 : 15/4,
х = 15/12 * 4/15,
х = 1/3