Math, asked by irfanajasmin555, 9 months ago

explain the shortcut for 12 1/2 of 14 1/2+12 1/2 =?

Answers

Answered by systemboss

2

Step-by-step explanation:

12 1/2 * 14 1/2 + 12 1/2

= 25/2 * 29/2 + 25/2

= 25/2*(29/2 + 1)

= 25/2 * 31/2

= 775/4

= 193.75

Answered by Anonymous

0

12 1/2 =( 12*2 + 1) / 2

=25 / 2

14 1/2 =( 14*2 + 1) / 2

=29 / 2

12 1/2 + 14 1/2 = 25/2 + 29/2 =54/2 = 27

Now 12 1/2 of

12 1/2 + 14 1/2 = 25 / 2 of 27

= 25 /2 * 27 =25*27/2

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