Page 7 - Bangladesh_classwiz_BOOK2018_rev_Neat

cÖvß djvdj‡K `kwgK msL¨vq †bIqvi cÖ‡qvRb ci‡j n evUb Pvc‡Z n‡e| hv msL¨vwU‡K fMœvsk (standard)

‡_‡K `kwgK msL¨vq (Decimal) cÖKvk Ki‡e| cybivq n Kx Pvc‡j msL¨vwU fMœvsk AvKv‡i cÖ`wk©Z n‡e| wb‡P
`yBwU w¯Œ‡b n evUb Pvcvi gva¨‡g Dc‡ii ivwkwUi fMœvsk I `kwgK msL¨vq Dc¯’vcb †`Lv‡bv n‡jv-

0.3 Ges 0.30000 GKB msL¨v Ges `ywU msL¨vB GKB fMœvsk, `k fv‡Mi wZb fvM Øviv Dc¯’vwcZ n‡q‡Q| GB
GKB msL¨v‡K AviI wewfbœ Dcv‡q Dc¯’vcb Kiv hvq| hv wb‡P †`Lv‡bv n‡jv-

`kwgK msL¨vq djvdj mivmwi cvIqvi Rb¨ cÖ_‡g q I c‡i = evUb Pvc‡j msL¨vwU `kwgK AvKv‡i mivmwi
cÖ`wk©Z n‡e (jÿYxq†h = Kx Gi Dci Avmbœ gv‡bi Rb¨ ≈ wPý Av‡Q|)

1.2 fMœvs‡ki Dc¯’vcb

a Kx e¨envi K‡i fMœvsk‡K K¨vjKz‡jU‡i cÖ‡ek Kiv‡bv hvq Ges = evUb Pvc‡j fMœvsk AvKv‡iB Zv cÖ`wk©Z nq|
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y
‡Kv‡bv fMœvsk mij AvKv‡i ( ) _vK‡j= evUb Pvc‡j Abiƒcfv‡eB Zv cÖ`wk©Z n‡e| wKš‘ hw` fMœvskwU‡K AviI
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mij AvKv‡i Dc¯’vcb Kiv m¤¢e nq Zvn‡j K¨vjKz‡jUi ¯^qswµqfv‡e mij AvKv‡iB fMœvskwU‡K Dc¯’vcb Ki‡e| †hgb
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9 †K mij AvKv‡i wn‡m‡e cÖ`k©b Ki‡e| wb‡Pi w¯Œ‡b GwU †`Lv‡bv n‡jv-
12 4

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Av‡iv A‡bK iKg fMœvsk Av‡Q hv‡`i‡K mij AvKv‡i Dc¯’vcb Ki‡j djvdj nq wb‡P GiKg cuvPwU D`vniY
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†`Iqv n‡jv-

hLb `kwgK msL¨v 1 Gi †P‡q eo nq, ZLb D³ fMœvs‡k je n‡ii †P‡q eo n‡e| G‡K AcÖK…Z fMœvsk e‡j|
Avevi fMœvs‡ki ni hw` j‡ei †P‡q eo nq ZLb Zv‡K cÖK…Z fMœvsk e‡j| wb‡Pi cÖ_g w¯Œ‡b GKwU cÖK…Z fMœvsk

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