Номер 847
Обчисліть:
1) 6 |
4 |
+ 3 |
5 |
= 9 |
9 |
= 10; |
9 |
9 |
9 |
2) 10 |
11 |
+ 5 |
14 |
= 15 |
25 |
= 16 |
6 |
; |
19 |
19 |
19 |
19 |
3) 1 |
5 |
+ 3 |
7 |
= 4 |
12 |
= 5 |
4 |
= 5 |
1 |
; |
8 |
8 |
8 |
8 |
2 |
4) 1 – |
3 |
= |
11 |
– |
3 |
= |
8 |
; |
11 |
11 |
11 |
11 |
5) 1 – |
13 |
= |
40 – 13 |
= |
27 |
; |
40 |
40 |
40 |
6) 4 – 1 |
4 |
= 3 |
7 |
– 1 |
4 |
= 2 |
3 |
; |
7 |
7 |
7 |
7 |
7) 10 – 9 |
3 |
= 9 |
10 |
– 9 |
3 |
= |
7 |
; |
10 |
10 |
10 |
10 |
8) 5 |
2 |
– 2 |
5 |
= 4 |
9 |
– 2 |
5 |
= 2 |
4 |
; |
7 |
7 |
7 |
7 |
7 |
9) 14 |
6 |
– 8 |
12 |
= 13 |
26 |
– 8 |
12 |
= 5 |
14 |
= 5 |
7 |
; |
20 |
20 |
20 |
20 |
20 |
10 |
10) 8 |
3 |
– 5 |
9 |
= 7 |
17 |
– 5 |
9 |
= 2 |
12 |
= 2 |
6 |
; |
14 |
14 |
14 |
14 |
14 |
7 |
11) 7 |
10 |
– 4 |
16 |
= 6 |
31 |
– 4 |
16 |
= 2 |
15 |
= 2 |
5 |
; |
21 |
21 |
21 |
21 |
21 |
7 |
12) 14 |
8 |
– 6 |
8 |
= 8. |
31 |
31 |