У:60=95-25
у:95-25=70
у=60×70
у=4200
__________
4200÷60=70
70=70
1)125+42=167шт. У второго
2)125-42=83шт у первого
5 5/6 - 31/48=35/6 - 31/48 = <span>(35 × 8 - 31 × 1)/48 = 280/48 - 31/48 = 249/48 = 83/16 = 5 3/16
6 4/7 - 2 37/77 = </span>46/7 - 191/77 =<span>(46 × 11 - 191 × 1)/77 = 506/77 - 191/77 = 315/77 = 45/11 = 4 1/11</span>
5*** < 8***
*9 < ****1
47**5 < 48**0
*9*** *7*** зачеркни
342-х=6400/32
342-х=200
Х=342-200
Х=142
Ответ:142
Проверка
Х=142
342-142=200