66. Märgi õiged võrdused.
Vihje
Keera telefon laiupidi.
- 3 + 3 + 3 + 3 = 4 ⋅ 3
 - 3 + 3 = 3 ⋅ 2
 - 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 10 ⋅ 3
 - 3 + 3 + 3 = 3 ⋅ 3
 - 3 + 3 + 3 + 3 + 3 + 3 + 3 = 6 ⋅ 3
 - 3 + 3 + 3 + 3 + 3 = 5 ⋅ 2
 - 3 + 3 + 3 + 3 + 3 + 3 = 6 ⋅ 3
 - 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 8 ⋅ 3
 - 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 8 ⋅ 3
 
75. Ühenda võrdse vastusega korrutised.
- 1 ⋅ 3
 - 2 ⋅ 3
 - 3 ⋅ 3
 - 4 ⋅ 3
 - 5 ⋅ 3
 
- 3 ⋅ 1
 - 3 ⋅ 2
 - 3 ⋅ 3
 - 3 ⋅ 4
 - 3 ⋅ 5
 
- 6 ⋅ 3
 - 7 ⋅ 3
 - 8 ⋅ 3
 - 9 ⋅ 3
 - 10 ⋅ 3
 
- 3 ⋅ 6
 - 3 ⋅ 7
 - 3 ⋅ 8
 - 3 ⋅ 9
 - 3 ⋅ 10
 

















