<span>6/57 : 8 = 1/ 76</span>
<span><span>3/20 : 5 = 3/100 = 3.03</span></span>
<span><span><span>21/26 : 7 = 3/ 26</span></span></span>
<span><span><span><span>3/5 : 10 = 3/50 = 0.06</span></span></span></span>
<span><span><span><span><span>7/8 : y=2</span></span></span></span></span>
<span><span><span><span><span>7/8 х 1/ у = 2</span></span></span></span></span>
7/8у = 2
8у = 7/2
у = 7/2 : 8 = 7/16 = 2.2
Ответ: у = 2.2
<span>4x = 16/25</span>
<span>х = 16/25 : 4 = 4/25 = 0.16</span>
Ответ: х = 0.16
<span>n:5/9=4 </span>
<span>n : 5 = 4 x 9 = 36</span>
<span>n = 36 x 5 = 180</span>
Ответ: n = 180
<span><span>b:2=3/4</span></span>
<span><span>b= 3/4 x 2 = 1.5</span></span>
Ответ: b= 1.5
2/3 х 1=2/3
2/3 х 2 = 1целая и 1/3
2/3 х 3 = 2
2/3 х 18 =12