3/7×(0,54)-1,56×3/7пж пж

Question

3/7×(0,54)-1,56×3/7пж пж

Answer 1

=3/7 * 54/100 - 78/50 * 3/7 = 3/7 * (27/50-78/50) = 3/7 * (-51/50) = -151/350