Question

Testele 3 și 4 va rog​

Answer 1

Test 3

1. 7/4

2. 4/7, 14/25, 28/33

3. 5/5 = 1

14/7 = 2

4. 390 : 13 × 7 = 30 × 7 = 210

5. x = 0, 2, 4, 6, 8

5 numere

6. x = 39 + 21

x = 60 - 60/30 = 2

7. x = 0 - 0 + 3 < 5

x = 1 - 1 + 3 < 5

x = 2 - 2 + 3 = 5

Test 4

1. 3/2, 3/4, 3/5, 3/8, 3/11

2. 8/4, 25/14, 17/13

3. a) 28/14 = 2

b) 14/14 = 1

4. 640 : 8 × 5 = 80 × 5 = 400

5. 7/11 = x/99

⁹7/11 = 63/99

x = 63