Question

-2 1/4+0.54:(0.8•22.5-22.5)

Answer 1

Ответ:

$- 2 \frac{1}{4} + 0.54 \div (0.8 \times 22.5) = - \frac{9}{4} + 0.54 \div 18 = - \frac{9}{4} + 0.03 = - \frac{9}{4} + \frac{3}{100} = \frac{ - 225 + 3}{100} = - \frac{222}{100} = - \frac{111}{50} = - 2 \frac{11}{50}$