Topic gani Hisabati iliyokuwa inakushinda (O-level/A-level)?

Topic gani Hisabati iliyokuwa inakushinda (O-level/A-level)?

Hamna topic iliyonishinda kwa level zote, kidogo chuo
 
Kwa wale waliosoma economics hlf calculation za National income zikawa zinakuzingua sana kama mimi, tupia koment tujuane.
Wala ckuhangaika nayo nilivyoona formular zimekuwa nyngi nikapga chini na hta necta ilivyokuja ckujisumbua kulisoma hlo swali ingawa kipengele b kilitaka determinants of national income ila ckufnya
 
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