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a fost răspuns

AFLA NR NECUNOSCUTE A+12X39=1147
B-24X45=38X123
132X4-C+12X2=348
15X19+245X7+D=2900

Răspuns :

Leeajsyk
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Vezi imaginea Leeajsyk
Valeriadragutan
A+12x39=1147
A+468=1147
A=1147-468
A=679

B-24x45=38x123
B-24x45=4674
B-1080=4674
B=4674+1080
B=5754

132x4-C+12x2=348
528-C+12x2=348
528-C+24=348
528-C=348-24
528-C=324
C=528+324
C=852

15x19+245x7+D=2900
285+245x7+D=2900
285+1715+D=2900
2000+D=2900
D=2900-2000
D=900

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