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(Ax9)x2:6=13
Cu rezolvare pls


Răspuns :


[tex]a \times 9 \times 2 = 13 \times 6 \\ a \times 9 \times 2 = 78 \\ a \times 9 = 78 \div 2 \\ a \times 9 = 39 \\ a = 39 \div 9 \\ a = 4.(3)[/tex]