1. Вычисли. 121 · 3 = 234 · 2 = 312 · 3 = 122 · 4 = 334 · 2 =

Решение:

1. 121 ⋅ 3
   

     121
   ×   3
   ----- 
     363

2. 234 ⋅ 2
   

     234
   ×   2
   ----- 
     468

3. 312 ⋅ 3
   

     312
   ×   3
   ----- 
     936

4. 122 ⋅ 4
   

     122
   ×   4
   ----- 
     488

5. 334 ⋅ 2
   

     334
   ×   2
   ----- 
     668

Ответ: 363, 468, 936, 488, 668.