Предмет: Математика, автор: sofi250595

пж помогите, что сможите​

Приложения:

Ответы

Автор ответа: Geckon
1

1) -5,5+2,8=-2,2(не точно)

2)-8,7-1,4=-10,1(тоже не точно)))))

3)-3,7+1,9=-1,8(не точно)

4)5,8-8,6=-3,2(вроде точно)

5)

 -  \frac{5}{9}  +  \frac{5}{6}  =  -  \frac{15}{9}  +  \frac{10}{9}  =  -  \frac{5}{9}

(очень даже не точно)

так как я это проходил очень. давно, правильно решены не все

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