1.5 1/3 1 1/3- 3 2/3 + 0,3×2 2/9 +1 1/6= -1 (1/2)
0,3= 3/10 ×2 2/9 (20/9) = 2/3
1 1/3 - 3 2/3 = -2 1/3
- 2 1/3 + 2/3 = -2 (1/3)
- 2 (1/3) + 1 1/6 = -1 (3/6) = -1 (1/2)
5 1/3> -1 (1/2)
2. 8 1/6 1 1/6 - 6 2/3 + 0,8 × 2 1/12 + 2 1/6 = 1/6
0,8=8/10 ×2 1/12 (25/12)=20/6=3 2/6=3 1/2
1 1/6 - 6 2/3 = -5 3/6= -5 1/2
-5 1/2 + 3 1/2 = -2
- 2 + 2 1/6 = 1/6
8 1/6 >1/6
3. 6 1/3 2 1/3 -4 2/7+0,4× 2 1/12 +2 1/6=1 11/42
0,4=4/10 × 2 1/12 (25/12)= 5/6
2 1/3 - 4 2/7 = -2(1/21)
-2 (1/21) + 5/6 = -2(37/42)
-2 (37/42) +2 1/6 = 1 11/42
6 1/3 > 1 11/42
4. 9 1/6 2 1/6-7 2/3 +0,9×4 2/9 +3 1/6=1 7/15
0,9=9/10×4 2/9 (38/9)=38/10=3 8/10=3 4/5
2 1/6 - 7 2/3= -5 3/6 = -5 1/2
- 5 1/2+ 3 4/5=-2(3/10)
- 2 (3/10) + 3 1/6 = 1 14/30= 1 7/15
9 1/6 >1 7/15
5. 7 1/3 3 1/3-5 2/7+0,5 × 4 2/9 + 3 1/6 =40 5/42
0,5=5/10=1/2 × 4 2/9 (38/9)=38
3 1/3 -5 2/7=-2 1/21
-2 1/21+ 38=36 20/21
36 20/21 + 3 1/6 =39 47/42=40 5/42
7 1/4 < 40 5/42