Buxoro davlat universiteti qosimov f. M. Qosimova m. M

5. “Sonlarning bo’linishi” mavzusida topshiriqlar.

1) Qo’shish va ayirish amalini bajarmasdan turib, quyidagi yig’indi va ayirmalarni 4,9,5 sonlariga bo’linish yoki bo’linmasligini izohlang:

a) 3456+10116;
b) 6375-3025;
2) Qo’shish va ayirish amalini bajarmasdan turib, quyidagi yig’indi va ayirmalarni 4,9,5 sonlariga bo’linish yoki bo’linmasligini izohlang:
a) 648+1071+80424;
b) 5625+1584
3) Yig’indini hisoblamasdan, quyidagi sonlarni 12,15,75 ga bo’linish va bo’linmasligini izohlang:
a) 60+120+24
b) 75+300+150
4) Yig’indini hisoblamasdan, quyidagi sonlarni 12,15,75 ga bo’linish va bo’linmasligini izohlang:
a) 375+3150+7125
b) 480+2400+1680
5) Ayirmani hisoblamasdan, quyidagi sonlarni 6, 18, 15 ga bo’linish va bo’linmasligini izohlang:
a) 3330-810
b) 4860-1264
6) Ayirmani hisoblamasdan, quyidagi sonlarni 6, 15, 18 ga bo’linish va bo’linmasligini izohlang:
a) 7230-1432
b) 8415-5520
7) Ko’paytirish amalini bajarmasdan turib quyidagi ko’paytmalarni 2, 4, 3 ga bo’linish, bo’linmasligini izohlang:
a) 144∙75
b) 123∙280∙50
8) Ko’paytirish amalini bajarmasdan turib quyidagi ko’paytmalarni 2, 4, 3 ga bo’linish, bo’linmasligini izohlang:
a) 97∙504∙225
b) 122∙105∙84
9) Bo’lish va qo’shish amallarini bajarmasdan turib, quyidagi ifodalarning 2 ga, 5 ga, 4 ga bo’linish, bo’linmasligini izohlang:
a) (120+360+220)/10
b) (342+158)/10
10) Bo’linish belgilariga ko’ra quyidagi sonlarga bo’linishini izohlang:
14212; 5604; 7254;
11) Ayirish amalini bajarmasdan a) 23544-17028; b) 25460-18532 ayirmalarining 36 ga bo’linish, bo’linmasligini izohlang.
12) Qo’shish amalini bajarmasdan quyidagi yig’indilarning 36 ga bo’linish, bo’linmasligini ko’rsating
a) 1872+23152;
b) 546+34722+8001
13) Bo’lishni bajarmasdan, 47250 soni 51 ga bo’linish, bo’linmasligini ko’rsating.
14) Bo’lishni bajarmasdan 2838, 22350, 10062, 22344 sonlaridan qaysilari 18 ga bo’linishini ko’rsating.
15) Bo’lishni bajarmasdan turib ifodalarni 15 ga bo’linish, bo’linmasligini izohlang:
a) (23145+3150)∙4
b) (218+14160)∙2
16) Bo’lishni bajarmasdan 54276; 11991; 22344; 10062; 22350 sonlardan qaysilari 12 ga bo’linishini ko’rsating.
17) Ko’paytmalardan qaysilari 45 ga bo’linishini ko’rsating
a) 75∙33∙4; b) 9135∙61∙387; v) 39∙22∙165;
18) Qo’shish va ayrishni bajarmasdan ifodaning qiymati 12 ga bo’linish, bo’linmasligini ko’rsating.
a) 964+1020-612; b) 3964+120+517; v) 1020-713-124
19) Amallarni bajarmasdan quyidagi ifodalardan qaysilari 15 ga bo’linishini ko’rsating.
a) 264∙138; b) 360+285; v) 225+75; g) 183∙530 d) 360-265
20) Amallarni bajarmasdan quyidagi ifodalardan qaysilari 18ga bo’linishini ko’rsating.
a) 9054+198; b) (234+27)∙2; v) 1008+297-162
21) {17254; 2997; 284; 14410; 79272} to’plamdan bo’lishni bajarmasdan:
a) 12 ga karrali; b) 18 ga karrali; v) 36 ga karrali bo’lmagan to’plam ostilarini ajrating.
22) Amallarni bajarmasdan quyidagi ifodalarni qaysilari 6 ga, 15 ga, 12 ga bo’linishini izohlang.
a) (124+360)∙5; b) (720+1080)∙7
23) Bo’lish amalini bajarmasdan quyidagi sonlardan qaysilari 7 ga, 11 ga, 13 ga bo’linishini ko’rsating.
236236; 540170; 87125; 321;
24) Amallarni bajarmasdan quyidagilardan qaysi sonlar 12 ga, 18 ga, 24 ga qoldiqsiz bo’linadi. Izohlang:
32160; 452700; 2336; 1008; 1264;
25) Amallarni bajarmasdan quyidagi ifodalardan qaysilari 24 ga bo’linishini ko’rsating.
(1224+4232)∙3; (1642+1636)∙3; (648-120)∙2;
26) Ko’paytmalardan qaysilari 24, 18, 15 ga bo’linishini ko’rsating.
a) 120∙31∙5; b) 43∙44∙27∙5; v) 32∙30∙44
27) Bo’lishni bajarmasdan 54672; 27346; 443160; 4230 sonlardan qaysilari 12 ga qoldiqsiz bo’linadi. Izohlang.
28) Yig’indidan qaysilari 6 ga bo’linadi.
a) 234+132+336; b) (726+126)+324
29) Ko’paytma 15 ga bo’linadimi ? Izohlang.
a) (124+121)∙7; b) (75∙3+60)∙6
30) Ko’paytma 45 ga bo’linadimi? Izohlash.
a) 1269∙35∙12; b) 215∙24∙6