100 Tricks to Appear Smart in Meetings: How to Get by Without Even Trying

100 Tricks to Appear Smart in Meetings: How to Get by Without Even Trying

Matematika ...



1. 34² - 24² =
2. 19² =

-------

°Pakai Cara !!
°gak boleh ngasal!!
°Semangat !! ^^​

...



1. 34² - 24² =
2. 19² =

-------

°Pakai Cara !!
°gak boleh ngasal!!
°Semangat !! ^^​

Penjelasan dengan langkah-langkah:

--

Nomor 1 :

[tex] {34}^{2} - {24}^{2} [/tex]

[tex] = 1.156 - 576[/tex]

[tex] = 580[/tex]

Nomor 2 :

[tex] {19}^{2} [/tex]

[tex] = 19 \times 19[/tex]

[tex] = 361[/tex]

Cara Nya :

Nomor 1 :

  • 34
  • 34
  • ------ ×
  • 136
  • 102
  • -------- +
  • 1,156

--

  • 24
  • 24
  • ------- ×
  • 576

--

  • 1,156
  • 576
  • --------- -
  • 580

--

Nomor 2 :

  • 19
  • 19
  • ------ ×
  • 171
  • 19
  • ------- +
  • 361

[tex] \\ \\ \\ \\ \\ \\ \\ [/tex]

Raaaa--!!!

__

Jawaban:

  1. 580
  2. 361

Penjelasan dengan langkah-langkah:

Nomor 1

34² - 24²

= (34 × 34) - (24 × 24)

= 1.156 - 576

= 580

Nomor 2

19²

= 19 × 19

= 361

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