Question:১০.> ভাগ কর: 

     ক. `0.3 -: 0.6`

     খ. `0.35 -: 1.7`

     গ. `2.37 -: 0.45`

     ঘ. `1.185 -: 0.24` 

Answer ক. `0.3 = (3 - 0)/9`

         ` = 3/9`

         ` = 1/3`

    `0.6 = (6 - 0)/9`

         `= 6/9`

         `= 2/3`

  :. `0.3 -: 0.6 = 1/3 -: 2/3`

                   `= 1/3 xx 3/2`

                   `= 1/2 = 0.5`

           :. নির্ণেয় ভাগফল = 0.5

 
 খ. `0.35 = (35 - 3)/(90)`

             `= (32)/(90)`

             `= (16)/(45)`

      `1.7 = (17 - 1)/9`

            `= (16)/9`

     :. `0.35 -: 1.7 = (16)/(45) -: (16)/(45) xx 9/(16)`

                       `= 1/5`

                        = 0.2

       নির্ণেয় ভাগফল = 0.2


 গ. `2.37 = (237 - 23)/(90)`

            `= (214)/(90)`

     `0.45 = (45 - 4)/(90)`

            `= (41)/(90)`

   :.` 2.37 -: 0.45 = (214)/(90) -: (41)/(90)`

                        `= (214)/(90) xx (90)/(41)`

                        `= (214)/(41)`

                        `= 5.2195121951`

                        `= 5.211951`

              নির্ণেয় ভাগফল = 5.21951

   ঘ.  `1.185 = (1185 - 1)/(999)`

               ` = (1184)/(999)`

      `0.24 = (24 - 0)/(99)`

           ` = (24)/(99)`

    :. `1.185 -: 0.24 = (1184)/(999) -: (24)/(99)`

                         `= (1184)/(999) xx (99)/(24)`

                         `= (148)/(111) xx (11)/3`

                         `= (148 xx 11)/(111 xx 3)`

                        ` = (1628)/(333)`

                         `= 4.888`

                         `= 4.8`

          নির্ণেয় ভাগফল = 4.8 

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