Пусть число=100%
100/8=12.5
100-12.5=87.5
Буквы с буквой,цифры с цифрой,
3<span>кг.900г= 3900г</span>
<span><span>2 кг.70 г.=2070г</span></span>
<span><span>11 кг = 11000г</span></span>
<span><span>
</span></span>
<span><span><span> 6000 кг.= 6т</span></span></span>
<span><span><span><span> 5000 ц= 500 т</span></span></span></span>
<span><span><span><span><span>18000 кг= 18 т</span></span></span></span></span>
1) 3,5 * 8/7 = 4
2) 36,8 - 4 = 32,8
3) 32,8 : 25/41 = 20
4) 20 - 14 13/15 = 5 2/15