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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.