1)9:3=3 во столько раз больше чайников
4*3=12 кг меди на 9 чайников
2)60:12=5 во столько раз больше муки
16*5=80 кг хлеба
<span><span><span><span><span><span>A</span><span>B</span><span>=</span><span>A</span><span>C</span><span>c</span><span>o</span><span>s</span><span><span><span><span>30</span></span><span><span>0</span></span></span></span><span>=</span><span><span><span><span><span>3</span></span></span><span><span>√</span></span></span></span><span><span><span>/</span></span></span><span>2</span><span>,</span><span>B</span><span>C</span><span>=</span><span>A</span><span>C</span><span>s</span><span>i</span><span>n</span><span><span><span><span>30</span></span><span><span>0</span></span></span></span><span>=</span><span>1</span><span><span><span>/</span></span></span><span>2</span><span>,</span><span>B</span><span>D</span><span>=</span><span><span><span><span><span>A</span><span>B</span><span>⋅</span><span>B</span><span>C</span></span></span><span><span><span>A</span><span>C</span></span></span></span></span><span>=</span><span><span><span><span><span>3</span></span></span><span><span>√</span></span></span></span><span><span><span>/</span></span></span><span>4</span></span></span></span></span></span>
1) 7*4=28 апельсинов.
2) 28-9= 19 апельсинов.
Ответ: 19 апельсинов осталось.
2)= (7-6)/9-19/6-1=1/9-3 1/6-1=- 4 3/54