Page 11 - Bangladesh_classwiz_BOOK2018_rev_Neat

G‡ÿ‡Î mwVK msL¨vwU n‡jv -

2
3 = 0.6666666666666666666 … … … … … …

̇
= 0. 6
63
Ges = 0.636363636363636366363 … … … … ….
99
̇ ̇
= 0. 63
Ave„Ë `kwgK †_‡K fMœvs‡k iƒcvšÍ‡ii mgq Avmbœ gv‡bi w`‡K `„wó ivLv cÖ‡qvRb| GB K¨vjKz‡jU‡i `kwg‡Ki c‡i

Í
`k Ni cÖ`k©b K‡i| D`vniY¯^iƒc, .666666666666 msL¨vwU (12 `kwgK ¯’vb ch©š) cÖ‡ek Kwi‡q = evUb
Pvcv n‡j K¨vjKz‡jU‡i wb‡Pi `kwgK msL¨vi g‡Zv msL¨vwU‡K we‡ePbv Ki‡e|
2
.66666666666666 =
3

Avi ZvB msL¨vwUi `k `kwgK ¯’vb ch©šÍ Avmbœ gvb wb‡Pi g‡Zv K‡i cÖ`k©b Ki‡e|

GwU cy‡ivcywi mwVK †Kbbv †h `kwgK msL¨vwU cÖ‡ek Kiv‡bv n‡q‡Q Zv Ave„Ë `kwgK msL¨v bq| (msL¨vwU evi
`kwgK msL¨v ch©šÍ wbw`©ó|)

~
Ave„Ë `kwgK msL¨vi `kwg‡Ki c‡i Av‡iv A¼ cÖ‡ek Kiv‡bv hvq hw`I m¤úY© msL¨vwU K¨vjKz‡jUi cÖ`k©b K‡i bv,
hv wb‡Pi cÖ_g w¯Œ‡b †`Lv‡bv n‡q‡Q| jÿYxq†h msL¨vwUi evgcv‡k GKwU Zxi wPý Av‡Q hv msL¨vwUi wbišÍiZv
̇
wb‡`©k K‡i| Gici = evUb Pvcv n‡j K¨vjKz‡jUi Gevi msL¨vwU‡K Ave„Ë `kwgK (. 6) wn‡m‡e MY¨ Ki‡e|
2
hvi fMœvsk n‡e |
3

wb‡Pi wØZxq w¯Œ‡bi Wvbcv‡ki Zxi wPýwU jÿYxq|

1.5 m~PKxq msL¨v

‡Kv‡bv msL¨v‡K H msL¨v Øviv evi evi ¸Y Kivi gva¨‡g m~PKxq msL¨vi D™¢e nq|| myZivs, 5 × 5 × 5 × 5 †K
4
ejv nq 5 Gi PZzN©vZ A_©vr 5 | K¨vjKz‡jU‡i m~PKxq msL¨vi MYbv Kivi Rb¨ ^ evUb i‡q‡Q| GwU e¨envi
Kivi Rb¨ cÖ_‡g wfwË 5 cÖ‡ek Kwi‡q ^ evUbwU †P‡c Zvici Nv‡Zi gvb 4 gvb cÖ‡ek Kiv‡Z nq| = evUb
Pvc‡j wb‡Pi g‡Zv K‡i djvdj cvIqv hv‡e|

6