−6целых <span>2/3</span>−2целых<span>5/12</span>=−<span>6 · 3 + 2/3 </span>−<span>2 · 12 + 5/12</span>=−<span>20/3</span>−<span>29/12</span>=−<span>4 · 20/4 · 3 </span>−<span>1 · 29/1 · 12</span>=−<span>80/12</span>−<span>29/12</span>=<span>-80 − 29/12</span>=−<span>109/12</span>=−9<span>1/12
</span>−9<span>1/12</span><span> ≈ −9,083
</span>−9,083<span>-8.75= -17.833
</span>-8.75= -8целых3/4
-91/12-(-8целых3/4)= −<span>91/12</span>−(−8целых<span>3/4)</span>=−<span>91/12</span>+8целых<span>3/4</span>=−<span>91/12</span>+<span>8 · 4 + 3/4</span>=−<span>91/12</span>+<span>35/4</span>=−<span>1 · 91/1 · 12</span>+<span>3 · 35/3 · 4</span>=−<span>91/12</span>+<span>105/12</span>=<span>-91 + 105/12</span>=<span>14/12</span>=<span>7/6</span>=1целая<span>1/6
</span>1целая1/6 <span>≈ 1,167
</span><span>Хочешь дробью, хочешь десятичным числом запиши ответ.
</span>
15*0.2=3 мальчика в кружке
15+3=18 детей посещают кружок
ответ: 18 детей
<span>(14-4)</span>²<span> -7</span>²<span>+12=10</span>²-7*7+12=100-49+12=63