Х=(3-10 1/10:40 2/5):20/33-3 3/4 помогите.
Х=(3 - 101/10 :202/5) * 33/20 - 3 3/4 х=(3 - 101/10 * 5/202) *33/20 - 3 3/4 х=(3 - 1/2)*33/20 - 3 3/4 х=2 1/2 * 33/20 - 3 3/4 х=5/2 * 33/20 - 3 3/4 х=33/8 - 3 3/4 х=4 1/8 - 3 6/8 х=3/8