Question

A-99,45=0,2345×A



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Funda primului raspuns

Answer 1

A - 99,45 = 0,2345×A
A - 0,2345A = 99,45
0,7655A = 99,45
A = 99,45 : 0,7655
A = 9945/100 : 7655/10000
A = 9945/100 × 10000/7655
A = 1989 × 100/1531
A = 198900/1531