(3 5/6- 1 2/15)*5/9+((1/20+0,24)*8 1/3-1 1/6)*2 - вопрос №71120143561215591200248131162 от Mary17ice 14.11.2020 20:07

Question

Математика: (3 5/6- 1 2/15)*5/9+((1/20+0,24)*8 1/3-1 1/6)*2 !

Mary17ice · Answer

(3 5/6-1 2/15)*5/9+((1/20+0,24)*8 1/3-1 1/6)*2=2 22/27
1) 3 5/6-1 2/15= 3 10/60-1 8/60=2 2/60=2 1/15
2)1/20+0,24=1/20+24/100=5/100+24/100=29/100
3) 29/100*8 1/3=29/100*25/3=29/12=2 5/12
4) 2 5/12-1 1/6=2 5/12-1 2/12=1 4/12=1 1/3
5) 2 1/15*5/9=31/15*5/9=31/27=4/27
6) 1 1/3*2=4/3*2/1=8/3=2 2/3
7) 4/27+2 2/3=4/27+2 18/27=2 22/27