Question

5,6(4+х)-3 $frac{1}{4}$ х , где х=1,8

Answer 1

$5,6(4+х)-3 frac{1}{4}х = \ = 5.6(4 + 1.8) - 3.25 times 1.8 = \ = 32.48 - 5.85 = 26.63$