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a fost răspuns

efectueaza scaderile si verifica rezultatele dupa model : b)467- 58 c) 6427 - 5777 d) 4456 - 3287 e) 95681 -2017 f) 45521 - 8721

Răspuns :

b)467-58=409;   409+58=467;    
c)6427-5777=650;   5777+650=6427;
d)4456-3287=1169;  1169+3287=4456;
e)95681-2017=93664;   93664+2017=95681;
f)45521-8721=36800;   36800+8721=45521.
 
Sper ca e de folos!
b)467-58=409
409+58=467(verificarea)
c)6427-5777=650
650+5777=6427(verificarea)
d)4456-3287=1169
1169+3287=4456(verificarea)
e)95681-2017=93664
93664+2017=95681(verificarea)
f)45521-8721=36800
36800+8721=45521(verificarea)