Determinati valoarea lui ,,a" din: [48 +50x100:(28:a+6)-14] x [(50 - 4 x 5)+(143-4 x 6)]=42316

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exercitiului ii lipsesc parantezele de final, precum si valoarea de dupa egal; altfel, cum as putea afla pe a?

Răspunsuri

2014-09-18T17:05:59+03:00
[48 +50x100:(28:a+6)-14] x [(50 - 4 x 5)+(143-4 x 6)]=42316

[48 +50x100:(28:a+6)-14] x [(50-20)+(143-24)]=42316

[48 +50x100:(28:a+6)-14] x (30+119)=42316

[48 +50x100:(28:a+6)-14] x 149=42316

48 +50x100:(28:a+6)-14=42316:149

48 +50x100:(28:a+6)-14=284

48 +50x100:(28:a+6)=284+14

48 +50x100:(28:a+6)=298

50x100:(28:a+6)=298-48

50x100:(28:a+6)=250

100:(28:a+6)=250:50

100:(28:a+6)=5

28:a+6=100:5

28:a+6=20

28:a=20-6

28:a=14

a=28:14

a=2


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