11 22

:: .... :: 1122110022000099

::

22..993355 ++ 44..884400 44..882255 33..990000 44..661100 99..558800 44..661100 99..661100

66..441155 88..550000 11..003355 11..005533 442244 ++ 88..002255 33..990000 33..990000

:: (( .. 2255 ,, ))

88 ++ 77 == 1155 1155 77 == ______________ 1155 88 == ______________

8800 ++ 7700 == ________________ 115500 7700 == ________________ 115500 8800 == ________________ 880000 ++ 770000 == ______________ 11..550000 770000 == ________________ 11..550000 880000 == ________________

88..000000 ++ 77..000000 == ______________ 1155..000000 77..000000 == ______________ 1155..000000 88..000000 == ____________

::

55.. 22.. 55.. ++ 33.. 88.. 44.. 55.. 77.. 99.. 22.. 66.. 77.. 33..

______________________________ ++ ____________________________________ ______________________________ ______________________________

++

88

,, ,, ,, ,, ..

.. (()) ..

.. ..

22 22

55..221133 ,, 11..889900 .. 225566 ,, .. ;;

22..886622 .. 11..339955 ??,, .. 11..446600 ,, .. ;;

.. ..(( ))

22..007700 44..338866 11..887755 44..000022 66..999911 88..443322 11..668800 33..117766 55..000000 77..446699 22..441133 33..119955

::

:: ________________________________________________________________________________________________________________

:: :: ________________________________________________________________________________________________________________

O: : . 612 3.765 4.321

+ 931 +1.987 +3.907 686 3.845 9.400 +567 +2.999 +4.687 810 905 502 - 346 -576 - 436 3.956 7.000 3.043 -2.068 - 5.034 -2.978

.

Xristos

.......................................................................................................

.

, .

2.148 1.219 = ; 2.805 1.914 =;

1.480 1.297 =; 2.040 1.214 =;

1.708 + 1.292 = ; 1.460 + 1.287=;

1.967 + 1.023 = ; 1.386 + 1.439=;

.

1.458 .

875 . ( )

1.296 . ;

:____________________________________________________________________

_________________________________________________________________________________

. 1.208 1.197 . 1.068 .

;

:____________________________________________________________________

_________________________________________________________________________________

12-01-2009

: . 1 - 10 -08

1) :

) 4.728 .. ) 9.286 ..

+ 3.569 .. - 5.317 ..

.. .. .. ..

2) :

3.710 + 5.940 6.700 5.995 4.610 + 978

7.295 8.100 479 + 9.098 1.068 1.086

3) : ( . 25 - )

) 9 + 6 = 15 ) 15-6 = ) 15 9 =

) 90 + 60 = ) 150 60 = ) 150 90 =

) 900 + 600 = ) 1.500 600 = ) 1.500 900 =

) 9.000 + 6.000 = ) 15.000 6.000 = ) 15.000 9.000 =

4) .

) 6.465 + 9.118 ) 2.430 + 12.822

) 7.419 + 2.618 ) 6.831 + 236

5) .

) 13.267 532 ) 8.116 48

) 790 69 ) 12.155 1.354

/

: ______________________________________

1. .

1 2

546 + 789 = 1.335

1.335 789 = 546

1.335 546 = 789

394 = 278 =

1.567 783 =

918 474 = .

3.409 + 892 =

2. .

99 ++ 88 == 1177 1188 -- 99 == 1133 66 ==

9900 ++ 8800 == 118800 9900 == 113300 6600 ==

990000 ++ 880000 == 11..880000 990000 == 11..330000 660000 ==

99..000000 ++ 88..000000 == __________ 1188..000000 99..000000 == 1133..000000 66..000000 == 3. .

987 + 79 3.295 + 907

4. .

814 - 69 5.312 - 874

: ______________________________________

5.

6.

7.

. . ;

567 345 278 75 152 84

5 688, 496, 352, 304 208 . ;

: ________________________

________________________

__

4.237 ( ), , 1.972 (). ( ) ;

: ________________________

________________________

__

Xristos

.

13

10

18

22

2

!

7 + 5 = 12 12 5 = 7 12 7 =5

70 + 50 = 120 120 50 = 70 120 70 = 50

700 + 500 =1.200 1.200 500 = 700 1.200 700 = 500

Xristos eva-edu

8 maths_D. 27. -- 2 mathimatika1