226. Märgi õiged võrdused.
Vihje
- 7 + 7 + 7 = 4 ⋅ 7
- 7 + 7 = 2 ⋅ 7
- 7 + 7 + 7 + 7 + 7 = 5 ⋅ 7
- 7 + 7 + 7 + 7 = 5 ⋅ 7
- 7 + 7 + 7 + 7 + 7 + 7 + 7 = 6 ⋅ 7
- 7 + 7 + 7 + 7 + 7 + 7 = 6 ⋅ 7
- 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 9 ⋅ 7
- 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 7 ⋅ 7
- 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 10 ⋅ 7
230. Võrdle (>, <, =).
4 ∙ 32 ∙ 7
4 ∙ 65 ∙ 7
5 ∙ 23 ∙ 7
3 ∙ 94 ∙ 7
4 ∙ 58 ∙ 7
6 ∙ 31 ∙ 7
7 ∙ 66 ∙ 7
2 ∙ 97 ∙ 7
9 ∙ 69 ∙ 7
231. Lahenda ülesanded.
Ühenda võrdse vastusega avaldised.
Kirjuta avaldised numbritega vihikusse. Arvuta.
235. Ühenda võrdse vastusega korrutised.
- 1 ⋅ 7
- 2 ⋅ 7
- 3 ⋅ 7
- 4 ⋅ 7
- 5 ⋅ 7
- 7 ⋅ 1
- 7 ⋅ 2
- 7 ⋅ 3
- 7 ⋅ 4
- 7 ⋅ 5
- 6 ⋅ 7
- 7 ⋅ 7
- 8 ⋅ 7
- 9 ⋅ 7
- 10 ⋅ 7
- 7 ⋅ 6
- 7 ⋅ 7
- 7 ⋅ 8
- 7 ⋅ 9
- 7 ⋅ 10