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19

www.lagadus.org/multi

Gaavnh magkere taale edtja X sijjesne årrodh gosse addisjovne- jïh subtraksjovne-boelhkide lutnesth.

Mij taalide dïhte åavtoes X?

13 +  = 20

 = 7

30 =

+ 9

=

– 5 = 43

=

+ 100 = 430

=

80 = 100 –

=

515 = 300 +

=

= 813 – 620

=

60 +

= 199

=

22 =

– 44

=

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Aha! X tjuara 7 årrodh

dannasinie 13 + 7 = 20.