C1a - Partage en groupes

$val19
$val33 $(val32[5]).
$(val32[1]) $val20 $(val32[4]).

C1b - Partage en groupes

$val35 ?
$(val34[1]) $(val34[2]) $val25.

C1c - Partage en groupes

$val34 ?
$(val33[1]) $val20 $(val33[3]).

A1a - Multiplication

$val34
$val26 + =
$val25 $(val33[2]) $val26 =

A1b - Multiplication

$val18
$val32 $val33 $val19.

A1c - Multiplication

$val18
 
$val32 $val33 $val19.

A1d - Multiplication

$val18
 
$val32 $val19.
$val33 $val19.

A1e - Multiplication

$val18
 
$val32 $val19.
$val33 $val19.

A1f - Multiplication

$val18
$m_times $val19 = $val26 $val19

A1g - Multiplication

$val18
$val24 $m_times $val25 =

A1h - Multiplication

$val18
$m_times $val19 = $val19