<span>7,8,9,13,15,16,18,20.</span>
1) Если <span>5,006< X > 5,007, то 5.008, 5.009, 5.1, 5.2
2) Если </span><span>5,006< X < 5,007, то 5.0061, 5.0062, 5.0063, 5.0064</span>
2/5=4/10=0.4
3/25=12/100=0.12
3/8=375/100=0.375
1/20=5/100=0.05
3/4==75/100=0.75
2+3=5
7,5:5=1,5
1,5*2=3
1,5*3=4,5
Ответ:Золото 3кг, серебро 4,5кг.