II. .
1. ?
2. , :
7 4 = 70 8 40 = 38 2 + 20 = 62
6 5 = 64 3 + 20 = 83 5 + 20 = 74
5 + 3 = 58 7 50 = 47 7 + 20 = 93
4 + 6 = 48 2 + 70 = 92 9 60 = 19
3. .
) 2 . 3 . ?
) 8 . 5 . ?
4. .
: + = 100.
III. .
? (.)
7?
7.
IV. .
, 7.
7 1 = 7 2 = 7 3 = . .
׃ 7 = ׃ 7 = ׃ 7 = . .
7 , ( . 29).
11 (. 30).
?
?
:
5 7 = 35 (.);
7 7 = 49 (.).
12 (. 30).
, : , (6 7 = 42), (6 8 = 48). ( ?): 42 + 48 = 90.
. , . 7 8. , . 6.
. , .
15 (. 30).
, .
16 (. 30).
:
) 7 7;
) 7 7;
) 6 6;
) 5 5.
.
V. .
1. 2.
55.
.
:
? (2.)
? ( 2.)
. 2 ? (7 .)
.
: 7 , .
|
|
|
57.
, .
2. .
.
I
14 (11 3) (3 7) ׃ 1
12 (5 + 7) (20 ׃ 4) 7
8 + (16 6) (8 6) ׃ 8
9 + (14 10) (25 ׃ 5) 6
(16 6) + 3 (56 ׃ 8) + 3
(7 0) + 7 15 (20 ׃ 4)
(15 + 1) 8 8 + (49 ׃ 7)
(20 1) 9
II
(5 + 5) + 7 9 (40 ׃ 5)
(6 + 6) 10 6 (12 ׃ 4)
(3 + 9) 2 56 ׃ (14 ׃ 2)
(7 + 7) 8 28 ׃ (24 ׃ 6)
12 (5 + 7) 0 ׃ (5 + 9)
6 + (2 + 8) (3 6) ׃ 9
(18 10) + 4 (42 ׃ 6) + 10
18 (11 2)
III
(15 6) + 9 42 ׃ (7 ׃ 1)
(18 9) + 10 24 ׃ (54 ׃ 9)
(13 8) 4 (3 2) 8
(10 + 7) 8 (4 9) ׃ 6
(8 + 8) 8 (25 ׃ 5) 5
(7 + 7) 10 40 (5 8)
19 (18 8) (7 8) 6
(9 + 9) 1
VI. .
?
?
: 14 (); 53, 54 ( ).
71
7.
: ; ; ; .
