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AFLA CATUL A : B DACA A = 49 × 7 : 1 + 50 : 10 ,iar b = 6 × 7 - 20 :5 -84 .

Răspuns :

A=49x7:1+50:10
A=343:1+5
A=348
B=6x7-20:5-84
B=42-4-84
B=-46
A:B=348:(-84)
A:B=-7,56
A=49*7:1+50:10=343+5=348
B=6*7-20:5-84=42-4-84=-26
A:B=348:(-26)=-13,38