8/10 + 3/7 = 96/70 = 1 26/70
3 1/3 - 2 1/2 =5/6
Пошаговое объяснение:
1)0,8+ = += += =1
2) 3 - 2,5= 3 - 2 = 3 - 2 = 2 - 2 =
8/10 + 3/7 = 96/70 = 1 26/70
3 1/3 - 2 1/2 =5/6
Пошаговое объяснение:
Пошаговое объяснение:
1)0,8+
=
+
=
+
=
=1 
2) 3
- 2,5= 3
- 2
= 3
- 2
= 2
- 2
= 