Let’s do sums!
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eleven
eleven
twenty
twenty
twelve
twelve
thirteen
thirteen
nineteen
nineteen
fifteen
fifteen
next
seven + eleven =
seven + eleven =
eighteen
eighteen
eleven
eleven
twelve
twelve
thirteen
thirteen
nineteen
nineteen
fifteen
fifteen
next
five + fifteen =
five + fifteen =
eighteen
eighteen
twenty
twenty
eleven
eleven
twelve
twelve
nineteen
nineteen
fifteen
fifteen
next
ten + three =
ten + three =
eighteen
eighteen
twenty
twenty
thirteen
thirteen
twelve
twelve
nineteen
nineteen
fifteen
fifteen
next
twenty - nine =
twenty - nine =
eighteen
eighteen
twenty
twenty
thirteen
thirteen
eleven
eleven
twelve
twelve
nineteen
nineteen
next
two + thirteen =
two + thirteen =
eighteen
eighteen
twenty
twenty
thirteen
thirteen
eleven
eleven
fifteen
fifteen
twelve
twelve
next
three + sixteen =
three + sixteen =
eighteen
eighteen
twenty
twenty
thirteen
thirteen
eleven
eleven
fifteen
fifteen
nineteen
nineteen
next
thirty - eighteen =
thirty - eighteen =
eighteen
eighteen
twenty
twenty
thirteen
thirteen
eleven
eleven
fifteen
fifteen
nineteen
nineteen
twelve
twelve
next
eleven + nineteen =
eleven + nineteen =
forty
forty
twenty
twenty
fourteen
fourteen
ten
ten
seventeen
seventeen
sixteen
sixteen
thirty
thirty
next
sixteen – two =
sixteen – two =
forty
forty
twenty
twenty
ten
ten
seventeen
seventeen
sixteen
sixteen
thirty
thirty
fourteen
fourteen
next
fifteen - five =
fifteen - five =
forty
forty
twenty
twenty
seventeen
seventeen
sixteen
sixteen
thirty
thirty
fourteen
fourteen
ten
ten
next
twenty - four =
twenty - four =
forty
forty
twenty
twenty
seventeen
seventeen
thirty
thirty
ten
ten
fourteen
fourteen
sixteen
sixteen
next
fifty - ten =
fifty - ten =
twenty
twenty
seventeen
seventeen
thirty
thirty
ten
ten
fourteen
fourteen
sixteen
sixteen
forty
forty
Thank
you!
thirty - thirteen =
thirty - thirteen =
twenty
twenty
thirty
thirty
ten
ten
fourteen
fourteen
sixteen
sixteen
forty
forty
seventeen
seventeen