GLEICHUNGEN ERGäNZEN 20 - LöSUNG



18

-

7

x

23

+

2

-

9

=

-150

x


-


+


+


-

12

+

19

x

20

+

16

-

25

=

383

:


x


:


x


+

6

-

1

+

4

+

11

x

8

=

97

:


-


+


-


x

3

+

14

+

15

+

13

-

10

=

35

-


+


-


+


:

17

-

24

-

21

x

22

-

5

=

-474

=


=


=


=


=

-5


-2


22


187


0