Matematică, întrebare adresată de Monica60, 9 ani în urmă

Am nevoie urgent de raspuns!!!
[48+50•100:(28:a+3•2)-14]•[(50-4•5)+(143-4•6)]=42316

Răspunsuri la întrebare

Răspuns de matrix1967
1
[48+50•100:(28:a+3•2)-14]•[(50-4•5)+(143-4•6)]=42316 [48+5000:(28:a+6a:a)-14]•(30+119)=42316 [48+5000:(28/a+6a/a)-14]•149=42316 [48+2500(14/a+3a/a)-14]•149=42316 [48+2500(14/a+3a/a)-14]•149=42316                                                                                          vezi daca e ok pana aic



Monica60: da e...dar a =cu?
matrix1967: [48+50•100:(28:a+3•2)-14]•[(50-4•5)+(143-4•6)]=42316
[48+5000:(28:a+6)-14]•[(50-20)+(143-24)]=42316
[48+5000:(28:a+6)-14]•(30+119)=42316
[48+5000:(28:a+6)-14]•149=42316
[48+5000:(28:a+6)-14]=42316:149
[48+5000:(28:a+6)-14]=284
48+5000:(28:a+6)-14=284
48+5000:(28:a+6)=284+14
48+5000:(28:a+6)=298
5000:(28:a+6)=298-48
5000:(28:a+6)=250
(28:a+6)=250*5000
(28:a+6a)=125000
28+6a=125000a
28=125000a-6a
28=124994a
a =28:124994 pot împărții cu 2
a= 14:62479
Răspuns de cccrrriiistina
1
[48+50•100:(28:a+3•2)-14]•[(50-4•5)+(143-4•6)]=42316 [48+5000:(28:a+6a:a)-14]•(30+119)=42316 [48+5000:(28/a+6a/a)-14]•149=42316 [48+2500(14/a+3a/a)-14]•149=42316 [48+2500(14/a+3a/a)-14]•149=42316                                                                                          

Monica60: deci..cat e a?
cccrrriiistina: 42316
cccrrriiistina: cu placere
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