Awọn akoonu
Ninu atẹjade yii, a yoo gbero awọn ohun-ini ipilẹ 8 ti pipin awọn nọmba adayeba, ti o tẹle wọn pẹlu awọn apẹẹrẹ fun oye ti o dara julọ ti ohun elo imọ-jinlẹ.
Awọn ohun-ini pipin nọmba
Ohun-ini 1
Iwọn ti pinpin nọmba adayeba funrararẹ jẹ dọgba si ọkan.
a: a = 1
awọn apẹẹrẹ:
- 9:9 = 1
- 26:26 = 1
- 293:293 = 1
Ohun-ini 2
Ti nọmba adayeba ba pin nipasẹ ọkan, abajade jẹ nọmba kanna.
a: 1 = a
awọn apẹẹrẹ:
- 17:1 = 17
- 62:1 = 62
- 315:1 = 315
Ohun-ini 3
Nigbati o ba n pin awọn nọmba adayeba, ofin commutative ko le ṣe lo, eyiti o wulo fun .
a: b≠ b: a
awọn apẹẹrẹ:
- 84:21 ≠ 21:84
- 440:4 ≠ 4:440
Ohun-ini 4
Ti o ba fẹ pin apao awọn nọmba nipasẹ nọmba ti a fun, lẹhinna o nilo lati ṣafikun iye ipin ti pinpin akojọpọ kọọkan nipasẹ nọmba ti a fifun.
Ohun-ini yi pada:
awọn apẹẹrẹ:
(45 + 18): 3 =45: 3 + 18: 3 (28 + 77 + 140): 7 =28: 7 + 77: 7 + 140: 7 120: (6 + 20) =120: 6 + 120: 20
Ohun-ini 5
Nigbati o ba n pin iyatọ awọn nọmba nipasẹ nọmba ti a fun, o nilo lati yọkuro ipin-ipin lati pin ipin-isalẹ nipasẹ nọmba ti a fun lati ipin lati pin minuend nipasẹ nọmba yii.
Ohun-ini yi pada:
awọn apẹẹrẹ:
(60 – 30): 2 =60:2-30:2 (150 – 50 – 15): 5 =150: 5 – 50: 5 – 15: 5 360 : (90-15) =360:90-360:15
Ohun-ini 6
Pipin ọja ti awọn nọmba nipasẹ ọkan ti a fun jẹ bakanna pẹlu pipin ọkan ninu awọn ifosiwewe nipasẹ nọmba yii, lẹhinna isodipupo abajade nipasẹ omiiran.
Ti nọmba ti n pin nipasẹ jẹ dọgba si ọkan ninu awọn okunfa:
- (a ⋅ b): a = b
- (a ⋅ b): b = a
Ohun-ini yi pada:
awọn apẹẹrẹ:
(90 ⋅ 36): 9 =(90:9) ⋅ 36 =(36:9) ⋅ 90 180: (90 ⋅ 2) =180: 90:2 =180: 2:90
Ohun-ini 7
Ti o ba nilo iye ipin ti awọn nọmba a и b pin nipa nọmba c, o tumọ si pe a ni a le pin si b и c.
Ohun-ini yi pada:
awọn apẹẹrẹ:
(16:4) :2 =16: (4 ⋅ 2) 96: (80: 10) =(96:80) ⋅ 10
Ohun-ini 8
Nigbati odo ba pin nipasẹ nọmba adayeba, abajade jẹ odo.
0: a = 0
awọn apẹẹrẹ:
- 0:17 = 0
- 0:56 = 56
akiyesi: O ko le pin nọmba kan nipasẹ odo.