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a si b dau coroana pt cel mai bne raspuns


A Si B Dau Coroana Pt Cel Mai Bne Raspuns class=

Răspuns :

a. x+2=11,5                                                    11,5-
x=11,5-2=9,5                                                    2,0
                                                                       ---------
                                                                          9,5

b. x-5,31=20
x=20+5,31
x=25,31
a) x+2=11,5 x=11,5-2 x=9,5 b) x-5,31=20 x=20+5,31 x=25,31 Sper ca te-am ajutat