Idanimọ ati aami expressions

Ninu atẹjade yii, a yoo ṣe akiyesi kini idanimọ ati awọn ikosile kanna, ṣe atokọ awọn oriṣi, ati tun fun awọn apẹẹrẹ fun oye ti o dara julọ.

Awọn itumọ ti idanimọ ati Itumọ idanimọ

Identity jẹ ẹya isiro ti awọn ẹya ara ti wa ni identically dogba.

Meji mathematiki expressions identically dogba (Ni awọn ọrọ miiran, jẹ aami) ti wọn ba ni iye kanna.

Awọn iru idanimọ:

1. Nọmba Awọn ẹgbẹ mejeeji ti idogba ni awọn nọmba nikan. Fun apere:
   • 6 + 11 = 9 + 8
   • 25 ⋅ (2 + 4) = 150
2. Gegebi - idanimọ, eyiti o tun ni awọn lẹta (awọn oniyipada); jẹ otitọ fun ohunkohun ti iye ti won ya. Fun apere:
   • 12x + 17 = 15x – 3x + 16 + 1
   • 5 ⋅ (6x + 8) = 30x +40

Apẹẹrẹ ti iṣoro kan

Pinnu ewo ninu awọn dọgbadọgba wọnyi jẹ idamọ:

• 212 + x = 2x – x + 199 + 13
• 16 ⋅ (x + 4) = 16x +60
• 10 – (-x) + 22 = 10x +22
• 1 – (x – 7) = x – 6
• x² + 2x = 2x³
• 15 - 3² = 15² + 2 ⋅ 15 ⋅ 3 – 3²

dahun:

Awọn idanimọ jẹ awọn dọgbadọgba akọkọ ati kẹrin, nitori fun eyikeyi awọn iye x mejeeji awọn ẹya ara ti wọn yoo nigbagbogbo gba kanna iye.