(144 - 54,13) : 43 = 2,09
1) 144 - 54,13 = 89,87
2) 89,87 : 43 = 2,09
- - - - - - - - - - - - - - - - - - - - - - - - - -
2,65 - 14 = - (14 - 2,65) = - 11,35
14км120м=14120м
56015м=56км15м
35дм3см=353см
267дм=267дм
6254дм=62м54дм
1)|х-4|<3
х=1,2,3,4,5,6.
2)|х+3|>2
х=0,1,2,3,4......
3)|х+2|>=5
х=3,4,5,6....
18-(45,291-40,17+4,0603)-(57,49-54,139)=5,4677
1)45,291-40,17+4,0603=9,1813
2)57,49-54,139=3,351
3)18-9,1813-3,351=5,4677