Question

10. Află termenul necunoscut:
a + 14 = 29
a - 32 = 45
17 + a = 51
96 - a = 19
a + 3 + 24 = 68 a - 10 - 20 = 50
12 + 7 + a = 99 98 - 35 - a = 41
a - 17 - 21 = 55
78 - 15 - a = 10
100 - 2 + 25 = 50
69 - 18 - a = 37​

Answer 1

Răspuns:

1. a + 14 = 29, a = 15

2. a - 32 = 45, a = 77

3. 17 + a = 51, a = 34

4. 96 - a = 19, a = 77

5. a + 3 + 24 = 68, a = 41

6. a - 10 - 20 = 50, a = 20

7. 12 + 7 + a = 99, a = 80

8. 98 - 35 - a = 41, a = 22

9. a - 17 - 21 = 55, a = 93

10. 78 - 15 - a = 10, a = 53

11. 69 - 18 - a = 37, a = 14

Explicație pas cu pas:

1. 29 - 14

2. 32 + 45

3. 51 - 17

4. 96 - 19

5. 68 - 3 - 24

6. 50 - 10 - 20

7. 99 - 12 - 7

8. 98 - 35 - 41

9. 55 + 21 + 17

10. 78 - 15 - 10

11. 69 - 18 - 37