Bonjour tout le monde, pouvez-vous m'aidez pour mon exercice de maths ?
Merci
Calcul réfléchi



1.



145 +

= 223



2.



70 x 120

=



3.



315 -

= 342



4.



(34 x 3) + (34 x 6) + 34

=



5.



12 x (5 – 2) + 7

=



6.



1000 - 348

=



7.



6300 : 90

=



8.



345 dixièmes

=



9.



7 x 25 x 4

=



10.



7 x 2 - (42 : 6) + 12

=



11.



8 x 34

=



12.



89 +

= 145
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