Masithathe naliphi na inani lendalo u-n kunye no-(n+1) emva koko: (n+1)2−n2=(n2+2n+1)−n2=2n+1. Ngoko ke, sifumanisa ukuba phakathi kuka-n2 kunye no(n+1)2 kukho amanani angu-2n ongu-1 ngaphantsi kunomahluko wezikwere ezimbini. Ngoko ke, amanani angagqibelelanga asisikwere phakathi kwama-21 kunye nama-22= 2n= 2× 21 = 42.
Ngokufanayo, Nguwuphi umzekelo wesikwere esingagqibelelanga? Isikwere esingagqibelelanga si inani ngalinye elingesosiphumo sokuphinda kabini inani elipheleleyo ngokwalo. 2,3,5,6,7,8,10,11,12,13,14,15,17,18,19,20,21,22,23,24,26 njl.
Mangaphi amanani angengo-skweri akhoyo phakathi kwe-20² kunye ne-22²? Ngoko kukho 2×20 =40 hayi isikwere amanani phakathi (20)2* kunye (21)2*.
Yintoni ingcambu ka-7056? Yiyo loo nto, ingcambu ye-7056 i 84 njengoko intsalela iba ngu-0.
Okwesibini Mangaphi amanani angengo-square akhoyo phakathi kwe-20² kunye ne-21²? Nazi 40 noamanani agqibeleleyo phakathi kwe-20² kunye ne-21².
Kutheni u-640 ayisosikwere esifanelekileyo?
Impendulo: 640 kunye 81000 hayi isikwere no. kuba ku isikwere hayi kukho inani elilinganayo looziro kodwa apha u 640 kunye no 81000 banooziro o-1 kunye no-3 ongekho njalo la manani akanakuba ngunombolo wesikwere.
ke Yintoni engeyiyo ingcambu egqibeleleyo? Ukuthatha imveliso yento enye kwisibini ngasinye kuya kubangela ingcambu yesikwere esigqibeleleyo. …Ngoko ke 180 ayisosikwere esigqibeleleyo kwaye kungoko ingcambu ayigqibelelanga. Ingcambu ka-180, √180 = 2 × 3 × √5 = 6√5.
Yintoni isikwere esingagqibelelanga kwizibalo? Nceda qaphela ukuba onke amanani agqibeleleyo asisikwere aphela ngo 0, 1, 4, 5, 6 okanye 9 kodwa onke amanani anesiphelo ngo 0, 1, 4, 5, 6 okanye 9 ayingomanani agqibeleleyo asisikwere. Umzekelo, 11, 21, 51, 79, 76 njl Ngamanani angengawo amanani agqibeleleyo asisikwere.
Mangaphi amanani azizikwere akhoyo phakathi kwe-10002 kunye ne-10012?
RD Sharma – iMathematika 9
∴ 180 amanani angengo-square alala phakathi kuka-90 kunye no-91. ∴ 2000 hayi isikwere ibophelela phakathi kwe-10002 kunye ne-10012.
Mangaphi amanani angengo-square alele phakathi? Impendulo: Kukho 180 amanani non square amanga phakathi kwe-90 kunye ne-91.
Kutheni le nto i-21 ingeyiyo isikwere esifanelekileyo?
Umzekelo, u-25 sisikwere esigqibeleleyo kuba yimveliso ye-integer 5 ngokwayo, 5 × 5 = 25. Nangona kunjalo, u-21 akalonani eligqibeleleyo lesikwere. kuba ayinakubonakaliswa njengemveliso yee-integer ezimbini ezifanayo.
Ngaba i-5488 isikwere esifanelekileyo? I-5488 ayisosikwere esifanelekileyo.
Ngaba i-2352 isikwere esifanelekileyo?
Njengoko i-prime factor 3 ingenazo izibini, I-2352 ayisosikwere esifanelekileyo. Ngoku into nganye ephambili ikwisibini. Ngoko ke, 2352 × 3 = 7056 isikwere esigqibeleleyo. Ngoko ke olona phinda-phinda luncinci lufunekayo luka-2352 ngu 7056 olusisikwere esigqibeleleyo.
Ngaba i-4624 isikwere esifanelekileyo?
4624 ngu isikwere esigqibeleleyo nge-positive integer 68 njengengcambu yayo. … Qaphela apha zombini isikwere esigqibeleleyo kunye nengcambu yayo inamanani alinganayo. Esona sikwere sikufutshane sangaphambili sigqibeleleyo yi-4489 kwaye isikwere esikufutshane esilandelayo yi-4761.
Zeziphi izikwere ezingagqibelelanga ukusuka ku-1 ukuya ku-30? Amanani I-2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27 zizikwere ezingagqibelelanga.
Ingaba 3600000 isikwere esigqibeleleyo? I-81000 ineziro ezi-3 ekugqibeleni. I-3600000 ineziro ezi-5 ekugqibeleni. Ngoko ke, onke la manani ayinakuba sikwere esigqibeleleyo.
Ngaba i-8100 isikwere esifanelekileyo?
Ingcambu ka-8100 ichazwa njenge √8100 ngokwemo egqibeleleyo nanje (8100)½ okanye (8100)0.5 kwifom ye-exponent. Ingcambu ka 8100 yi 90. … Inani 8100 sisikwere esifanelekileyo.
Ngaba i-23453 isikwere esifanelekileyo? I-23453 ayisosikwere esifanelekileyo.
Ngaba i-1057 isikwere esifanelekileyo?
∴I-1057 ayisosikwere esifanelekileyo. Ukusukela, idijithi ephela ngu-7 (engeyiyo enye ka-0, 1, 4, 5, 6 okanye 9).
Ngaba u-25 usisikwere esigqibeleleyo? Isikwere esigqibeleleyo linani, elisuka kwinkqubo yamanani enikiweyo, enokubonakaliswa njengesikweri senani ukusuka kwinkqubo enye yamanani. 25 sisikwere esigqibeleleyo. … Kuba u-25 linani eli-natural kwaye i-square root ka-25 linani eli-natural (5), u-25 sisikwere esigqibeleleyo. 102.01 sisikwere esigqibeleleyo.
Mangaphi amanani angezikwere akhoyo phakathi kwe-18² kunye ne-19²?
Impendulo: 36 yendalo amanani aphakathi kwe-18 kunye ne-19 ephindwe kabini.
Mangaphi amadijithi akhoyo kwingcambu ka-298116? ⛬ 546 yimpendulo.
Mangaphi amanani angezikwere aphakathi kwe-12² kunye ne-13²?
Impendulo: 24 yendalo amanani aphakathi kwe-12^2 kunye ne-13^2.