Помогите пожалуйста, надо срочно! (1/4+3/4х):0,45=25/36 и 22×(17/26х-3/4)=5целых1/13
1/4+3/4х=25/36×0,45=5/16 1/4+3/4х=5/16 3/4х=5/16-1/4=1/16 3/4х=1/16 х=1/16÷3/4=1/12 х=1/12 22*(17/26х-3/4)=5 1/13 17/26х-3/4=66/13*1/22 17/26х=3/13+3/4 17/26х=12/52+39/52 Х=51/52*26/17 Х=3/2 Х=1 1/2