Răspuns :
[tex] \frac{90}{100} \times x = 450 \\ 0.9x = 450 \\ x = 450 \div 0.9 \\ x = 4500 \div 9 \\ x = 500[/tex]
…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ
[tex] \frac{90}{100} \times x = 450 \\ 0.9x = 450 \\ x = 450 \div 0.9 \\ x = 4500 \div 9 \\ x = 500[/tex]
…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ