a fost răspuns

15, Scrie numerele:
20 725; 662 713; 438 793; 9 687; 346 865, 684 321.
a) ca sumă de doi termeni,
b) ca sumă de trei termeni.
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Răspuns :

Rrodica228ask

Răspuns:

a) 20725= 20000+725

662713= 662000+713

438793=438000+793

9687=9600+87

346865=346000+865

684321=684000+321

b) 20725=20000+700+25

662713=662000+700+13

438793=438000+700+93

9687=9000+600+87

346865=346000+800+65

684321=684000+300+21
20725=10000+10725
20725=5000+5000+10725

662713=490759+171954
662713=490759+85977+85977

438793=200 000+238793
438793=100 000+100000+238793

9687=5000+4687
9687=5102+4234+351

346865=134408+212457
346865=212457+67204+67204

684321=563247+121074
684321=60537+563247+60537

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