Question

Упростите выражение.
а) 5а+12,4+2,6+3,14+1,4а+0,4а+2,4
б) 13,4+6++5,6+8,2b+7,28+1,7b+2,3
                                                        
                                                      НАДО СРОЧНО

Answer 1

а)5а+12.4+2.6+3.14+1.4а+0.4а+2.4=6.8а+20.54
б)13.4+6+5.6+8.2b+7.28+1.7b+2.3=9.9b+34.58

Answer 2

а) 5а+0,4а+1,4а+12,4+3,14+2,6+2,4=  6,8а+15,54+5= 6,8а+20,54
б) 8,2b+ 1,7b+13,4+5,6+6+7,28+2,3=  9,9b+19+13,28+2,3= 9,9b+34,58