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[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]
. .
9, . — 10 .
, 3 9.
( ) : 2 , - 7; : 27; , 39=27.
, 79?
( ) 6 , — 3 . : 63.
99? — 8 , — 1. : 81.
, 69, , , 54 56?
— 5 , — 4, , 69=54.
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6 10
:
— 6,
— 7,
— 8,
— 9
— 10.
. , .
1. 7 8. (7) (8) (. .).
, 7 8. 7 (, ), 8 — ( ).
( ). ( , ) . (7 8) 5 5 .
7 8. :
1) 10, 5 10 = 50;
2) , 3 2 = 6;
3) , , : 50 + 6 = 56.
, 7 8 = 56.
2. 6 6. (6) (6) (. .).
4 .
6 6:
1) 10: 2 10 = 20;
2) : 4 4 = 16;
3) : 20 + 16 = 36.
, 6 6 = 36.
3. 7 10. 10. (6) (10) . 3 , — 0 (. .).
7 10:
1) 10: 7 10 = 70;
2) : 3 0 = 0;
3) : 70 + 0 = 70.
, 7 10 = 70.
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