Question

Décompose comme dans l'exemple.
(4 x 1000) + (2 x 100) + (5 x 10) + (7 x 1) = 4000 + 200 + 50 + 7 = 4207
(8 x 1000) + (7 x 100) + (3 x 10) + (9 x 1) =
(7 x 1000) + (5 x 100) + (6 x 1) =
(9 x 1000) + (15 x 10) + (7 x 1) =
(22 x 100) + (35 x 10) + (27 x 1) =
(6 x 1000) + (23 x 100) + (65 x 10) =
Nombres - cycle 8/10
ref. 143213
Ed. Gai Savoir
la conquête des maths

Answer 1

Răspuns:

1)4000+200+50+7=4200+57=4257

2) 8000+700+30+9=8700+39=8739

3) 7000+500+6=7506

4)9000+150+7=9150+7=9157

5)2200+3500+27=5700+27=5727

6)6000+2300+6500=8300+6500=14.800