1) 684* 2) 675* 3) 7524-
*245= *246= -8100=
=3420+ =4050+ = -574
+2736+ +2700+
+1368= +1350=
=7524 =8100
1. 11,25 - 3 5/12 =
11 1/4 - 3 5/12 =
11 3/12 - 3 5/12 =
10 15/12 - 3 5/12 =
7 10/12 = 7 5/6
2. 7 5/6 + 4.3 =
7 5/6 + 4 3/10 =
7 25/30 + 4 9/30 =
11 34/30
3. 11 34/30 - 7 19/30 =
4 15/30 = 4 1/2 = 9/2
4. 7 7/12 - 5 5/6 =
7 7/12 - 5 10/12 =
6 19/12 - 5 10/12 =
1 9/12 = 1 3/4 = 7/4
5. 9/2 : 7/4 = 9/2 * 4/7 =
9*2/7 = 18/7 = 2 4/7
А) правее.
б)больше нуля, меньше нуляю
в)больше
7)коэффицент меньше