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afla nr. necunoscut : a+11.700:100×3=976

Răspuns :

a+11700:100*3=976
a+11700:300=976
a+39=976
a=976-39
a=937
v:937+39=976
succes!
a + 11700:100×3=976. 11700:100=117 117×3= 351. a+351=976. a=976-351. a=625