. 5.2.6.
1
1. Numbers. , . , : |
, . 6.28, , . : /numbers/tasks/6.2.3.pdf.
4 10 .
2. , $ 25 ,
, 25, .
A1 $. B1 25. A1
, B1 . ,
.
3. (. 6.28). D ,
!
4. ,
.
5. , D4 : =4*4*1.
, , .
<Retum>. Numbers , 2925.
-626-
6. D9, .
? ? .
D5 , : =5*5*2.
2 B1.
. D4
: =4*4*$$1. .
7. D10, Sum () ,
Function (), .
. , D4: D9, . : =SUM(D4:D9). <Retum>.
8. D , ,
, , .
, , , 26,5, <Retum>.
, d .
9. .
. numbers. :
/numbers/examples/6.2.3. numbers.
|
|
2
-627- |
n- (. 6.29). : /numbers/tasks/6.2.3.pdf.
1. . numbers . ,
. 3 14 .
2. A1:C1, . n-
.
3. , . 6.29, ,
!
[ = -2) (d = 0,725).
. ,
.
4. 5 1. 6 2.
, A14.
5.
, ( 5) , 5
: =2.
6. .
6 : =5+$$3.
, .
7. n- Sn = 1 + 2 +... - + an = Sn-x + an
. 5 = .
: 5 =5, C6 =5+6.
6 .
8. .
. :
/numbers/examples/6.2.3. numbers.