Question

101 Rezolvă, apoi verifică, efectuând proba în 3 moduri: VA ROG DAU COROANA.​

Answer 1

Salutare!

766 948-61 045=705 903

p:705 903+61 045=766 948

p:61 045+705 903=766 948

p:766 948-705 903=61 045

879 182-6 122=873 060

p:873 060+6 122=879 182

p:6 122+873 060=879 182

p:879 182-873 060=6 122

84 121+15 878=99 999

p:15 878+84 121=99 999

p:99 999-15 878=84 121

p:99 999-84 121=15 878

56 543+432 340=488 883

p:432 340+56 543=488 883

p:488 883-432 340=56 543

p:488 883-56 543=432 340

Answer 2

Răspuns:

766948-61045=705903

proba:

766948-705903=61045

705903+61045=766948

61045+705903=766948

____________________

879182-6122=873060

proba:

879182-873182=6122

 6122+873060=879182

766948-705903=61045

________________

84121+15878=99999

proba:

99999-15878=84121

15878+85121=99999

 99999-84121=15878

____________

56543+432340=488883

proba:

 488883-432340=56543

432340+56543=488883

488883-56543=432340