80 - 100%
20 - ?
20*100:80 = 25 %
Ответ: 25%.
7•2=14 (грибов)- нашли бески
Решение смотри на фотографии
8см- ширина
2см- высота
Тоесть- А*B=S,
Или в числах- 8*2=16см²( ²-кв.см)
<span>0=0</span>
<span><span>10−10</span>=<span>15−15</span></span>
<span><span><span>10−6</span>−4</span>=<span><span>15−9</span>−6</span></span>
<span><span>2<span>(<span><span>5−3</span>−2</span>)</span></span>=<span>3<span>(<span><span>5−3</span>−2</span>)</span></span></span>
<span>2=3</span>
<span><span>2+2</span>=<span>3+2</span></span>
<span><span>2+2</span>=<span>5</span></span>