Вопрос школьника по предмету Математика
вычислите рациональным способом плиз
-0,39-0,48
____________
(-0,25-0,23)*0,13
Ответ учителя по предмету Математика
0,39/(0,48*0,13)+0,48/(0,48*0,13)=300/48+100/13=(3900+4800)/(13*48)=
(1300+1600)/(13*16)=(650+800)/(13*8)=(325+400)/52=725/52=10 205/52=
13 49/52
Похожие вопросы от пользователей
I was happy yesterday.
He was in the water park last Saturday.
She was with her grandparents last week.
It was warm yesterday.
We were in London last year.
They were at the puppet show last spring.
You were in the zoo at 3 o clock yesterday