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11. Află valorile numerice ale literelor: ax9= 54 24: a = 4 9xa = 63 35:b=5 axa = 36 bxb=49 c:b=9 d: a=7​

Răspuns :

Răspuns:

a×9=54=> a= 54:9=6

24:a=4=> a= 24:4=6

9×a=63=> a=63:9=7

35:b=5=>b=35:5=7

a×a=36=> a=6×6

b×b=49=> b=7×7

c:7=9=>c= 9×7= 63

d:6=7=>c=7×6=42