Предмет: Математика, автор: anna261087

-0,109+86 4/9+(-80 891/1000)

Ответы

Автор ответа: aishalucky2009

Ответ:

-0,109+86 4/9+(-80 891/1000)=

1) -0,109+86 4/9=777019/9000=86 3019/9000

2) 86 3019/9000+-80 891/100=777019/9000+8891/100=777019-90×8891/9000=-23171/9000= -2 5171/900

(Всё сделано по действиям)

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