1 больше 3/4 (1/4+1/2=3/4)
1 больше 15/22 (3/11+9/22=15/22)
1 больше 19/45 (2/15+13/45=19/45)
А)5384+1616=700
700+3687=10687
б)851+351=1201
1201+293=1494
218) 3/24=1/8; 1/3; 1/2; 2/3; 7/8.219) 4/180=1/45; 1/15; 3/20; 63/90; 51/60.
2) x + 0,7/2,6 = 4 1/2
x + 7/26 = 9/2
x = 9/2 - 7/26 = (117 - 7)/26 = 110/26 = 55/13 = = 4 3/13 или 4,231
3) y + 0,792/2,16 = 8 7/10
y + 792/2160 = 87/10
y = (18792 - 792)/2160 = 18000/2160 = =450/9=50
4) x + 0,4/2 = 3 1/4
x + 1/5 = 13/4
x = (65 -4)/20 = 61/20 = 3 1/20 или 3,05
5) x - 0,55/6,25 = 3,5
x - 55/625 = 35/10
x= 7/2 + 11/125 = (875 + 22)/250 = 897/250 = = 3 147/250 или 3,588