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calcul réfléchi



1.



345 + __________

= 432



2.



400 x __________

= 160000



3.



5600 : 800

= ______________________________________



4.



565 - _____________

= 343



5.



28 – (6 – 3) x 4 + 8

= ______________________________________



6.



13 centièmes + 12 dixièmes

= ______________________________________



7.



428 : 4

= ______________________________________



8.



58 x 7

= ______________________________________



9.



14 + 47 + 23 + 56

= ______________________________________



10.



4 x 28 x 25

= ______________________________________



11.



(43 x 13) + (43 x 16) – (43 x 9)

= ______________________________________



12.



1000 - 678

= ______________________________________



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