Задача Найдите 232-й член арифме ... аn), если а1 = 8 и d = 5. (на арифметическую прогрессию)

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Решение

Вы ввели [src]
найдите 232-й член арифметической прогрессии (аn), если а1 = 8 и d = 5.
Найдено в тексте задачи:
Первый член: a1 = 8
n-член an (n = 231 + 1 = 232)
Разность: d = 5
Другие члены: a1 = 8
Пример: ?
Найти члены от 1 до 232
Сумма [src]
    n*(a_1 + a_n)
S = -------------
          2      
S=n(a1+an)2S = \frac{n \left(a_{1} + a_{n}\right)}{2}
       232*(8 + 1163)
S232 = --------------
             2       
S232=232(8+1163)2S_{232} = \frac{232 \cdot \left(8 + 1163\right)}{2}
S232 = 135836
S232=135836S_{232} = 135836
Первый член [src]
a_1 = 8
a1=8a_{1} = 8
Разность [src]
d = 5
d=5d = 5
n-член [src]
a_n = a_1 + d*(-1 + n)
an=a1+d(n1)a_{n} = a_{1} + d \left(n - 1\right)
a_232 = 1163
a232=1163a_{232} = 1163
Пример [src]
...
Расширенный пример:
8; 13; 18; 23; 28; 33; 38; 43; 48; 53; 58; 63; 68; 73; 78; 83; 88; 93; 98; 103; 108; 113; 118; 123; 128; 133; 138; 143; 148; 153; 158; 163; 168; 173; 178; 183; 188; 193; 198; 203; 208; 213; 218; 223; 228; 233; 238; 243; 248; 253; 258; 263; 268; 273; 278; 283; 288; 293; 298; 303; 308; 313; 318; 323; 328; 333; 338; 343; 348; 353; 358; 363; 368; 373; 378; 383; 388; 393; 398; 403; 408; 413; 418; 423; 428; 433; 438; 443; 448; 453; 458; 463; 468; 473; 478; 483; 488; 493; 498; 503; 508; 513; 518; 523; 528; 533; 538; 543; 548; 553; 558; 563; 568; 573; 578; 583; 588; 593; 598; 603; 608; 613; 618; 623; 628; 633; 638; 643; 648; 653; 658; 663; 668; 673; 678; 683; 688; 693; 698; 703; 708; 713; 718; 723; 728; 733; 738; 743; 748; 753; 758; 763; 768; 773; 778; 783; 788; 793; 798; 803; 808; 813; 818; 823; 828; 833; 838; 843; 848; 853; 858; 863; 868; 873; 878; 883; 888; 893; 898; 903; 908; 913; 918; 923; 928; 933; 938; 943; 948; 953; 958; 963; 968; 973; 978; 983; 988; 993; 998; 1003; 1008; 1013; 1018; 1023; 1028; 1033; 1038; 1043; 1048; 1053; 1058; 1063; 1068; 1073; 1078; 1083; 1088; 1093; 1098; 1103; 1108; 1113; 1118; 1123; 1128; 1133; 1138; 1143; 1148; 1153; 1158; 1163...
a1 = 8
a1=8a_{1} = 8
a2 = 13
a2=13a_{2} = 13
a3 = 18
a3=18a_{3} = 18
a4 = 23
a4=23a_{4} = 23
a5 = 28
a5=28a_{5} = 28
a6 = 33
a6=33a_{6} = 33
a7 = 38
a7=38a_{7} = 38
a8 = 43
a8=43a_{8} = 43
a9 = 48
a9=48a_{9} = 48
a10 = 53
a10=53a_{10} = 53
a11 = 58
a11=58a_{11} = 58
a12 = 63
a12=63a_{12} = 63
a13 = 68
a13=68a_{13} = 68
a14 = 73
a14=73a_{14} = 73
a15 = 78
a15=78a_{15} = 78
a16 = 83
a16=83a_{16} = 83
a17 = 88
a17=88a_{17} = 88
a18 = 93
a18=93a_{18} = 93
a19 = 98
a19=98a_{19} = 98
a20 = 103
a20=103a_{20} = 103
a21 = 108
a21=108a_{21} = 108
a22 = 113
a22=113a_{22} = 113
a23 = 118
a23=118a_{23} = 118
a24 = 123
a24=123a_{24} = 123
a25 = 128
a25=128a_{25} = 128
a26 = 133
a26=133a_{26} = 133
a27 = 138
a27=138a_{27} = 138
a28 = 143
a28=143a_{28} = 143
a29 = 148
a29=148a_{29} = 148
a30 = 153
a30=153a_{30} = 153
a31 = 158
a31=158a_{31} = 158
a32 = 163
a32=163a_{32} = 163
a33 = 168
a33=168a_{33} = 168
a34 = 173
a34=173a_{34} = 173
a35 = 178
a35=178a_{35} = 178
a36 = 183
a36=183a_{36} = 183
a37 = 188
a37=188a_{37} = 188
a38 = 193
a38=193a_{38} = 193
a39 = 198
a39=198a_{39} = 198
a40 = 203
a40=203a_{40} = 203
a41 = 208
a41=208a_{41} = 208
a42 = 213
a42=213a_{42} = 213
a43 = 218
a43=218a_{43} = 218
a44 = 223
a44=223a_{44} = 223
a45 = 228
a45=228a_{45} = 228
a46 = 233
a46=233a_{46} = 233
a47 = 238
a47=238a_{47} = 238
a48 = 243
a48=243a_{48} = 243
a49 = 248
a49=248a_{49} = 248
a50 = 253
a50=253a_{50} = 253
a51 = 258
a51=258a_{51} = 258
a52 = 263
a52=263a_{52} = 263
a53 = 268
a53=268a_{53} = 268
a54 = 273
a54=273a_{54} = 273
a55 = 278
a55=278a_{55} = 278
a56 = 283
a56=283a_{56} = 283
a57 = 288
a57=288a_{57} = 288
a58 = 293
a58=293a_{58} = 293
a59 = 298
a59=298a_{59} = 298
a60 = 303
a60=303a_{60} = 303
a61 = 308
a61=308a_{61} = 308
a62 = 313
a62=313a_{62} = 313
a63 = 318
a63=318a_{63} = 318
a64 = 323
a64=323a_{64} = 323
a65 = 328
a65=328a_{65} = 328
a66 = 333
a66=333a_{66} = 333
a67 = 338
a67=338a_{67} = 338
a68 = 343
a68=343a_{68} = 343
a69 = 348
a69=348a_{69} = 348
a70 = 353
a70=353a_{70} = 353
a71 = 358
a71=358a_{71} = 358
a72 = 363
a72=363a_{72} = 363
a73 = 368
a73=368a_{73} = 368
a74 = 373
a74=373a_{74} = 373
a75 = 378
a75=378a_{75} = 378
a76 = 383
a76=383a_{76} = 383
a77 = 388
a77=388a_{77} = 388
a78 = 393
a78=393a_{78} = 393
a79 = 398
a79=398a_{79} = 398
a80 = 403
a80=403a_{80} = 403
a81 = 408
a81=408a_{81} = 408
a82 = 413
a82=413a_{82} = 413
a83 = 418
a83=418a_{83} = 418
a84 = 423
a84=423a_{84} = 423
a85 = 428
a85=428a_{85} = 428
a86 = 433
a86=433a_{86} = 433
a87 = 438
a87=438a_{87} = 438
a88 = 443
a88=443a_{88} = 443
a89 = 448
a89=448a_{89} = 448
a90 = 453
a90=453a_{90} = 453
a91 = 458
a91=458a_{91} = 458
a92 = 463
a92=463a_{92} = 463
a93 = 468
a93=468a_{93} = 468
a94 = 473
a94=473a_{94} = 473
a95 = 478
a95=478a_{95} = 478
a96 = 483
a96=483a_{96} = 483
a97 = 488
a97=488a_{97} = 488
a98 = 493
a98=493a_{98} = 493
a99 = 498
a99=498a_{99} = 498
a100 = 503
a100=503a_{100} = 503
a101 = 508
a101=508a_{101} = 508
a102 = 513
a102=513a_{102} = 513
a103 = 518
a103=518a_{103} = 518
a104 = 523
a104=523a_{104} = 523
a105 = 528
a105=528a_{105} = 528
a106 = 533
a106=533a_{106} = 533
a107 = 538
a107=538a_{107} = 538
a108 = 543
a108=543a_{108} = 543
a109 = 548
a109=548a_{109} = 548
a110 = 553
a110=553a_{110} = 553
a111 = 558
a111=558a_{111} = 558
a112 = 563
a112=563a_{112} = 563
a113 = 568
a113=568a_{113} = 568
a114 = 573
a114=573a_{114} = 573
a115 = 578
a115=578a_{115} = 578
a116 = 583
a116=583a_{116} = 583
a117 = 588
a117=588a_{117} = 588
a118 = 593
a118=593a_{118} = 593
a119 = 598
a119=598a_{119} = 598
a120 = 603
a120=603a_{120} = 603
a121 = 608
a121=608a_{121} = 608
a122 = 613
a122=613a_{122} = 613
a123 = 618
a123=618a_{123} = 618
a124 = 623
a124=623a_{124} = 623
a125 = 628
a125=628a_{125} = 628
a126 = 633
a126=633a_{126} = 633
a127 = 638
a127=638a_{127} = 638
a128 = 643
a128=643a_{128} = 643
a129 = 648
a129=648a_{129} = 648
a130 = 653
a130=653a_{130} = 653
a131 = 658
a131=658a_{131} = 658
a132 = 663
a132=663a_{132} = 663
a133 = 668
a133=668a_{133} = 668
a134 = 673
a134=673a_{134} = 673
a135 = 678
a135=678a_{135} = 678
a136 = 683
a136=683a_{136} = 683
a137 = 688
a137=688a_{137} = 688
a138 = 693
a138=693a_{138} = 693
a139 = 698
a139=698a_{139} = 698
a140 = 703
a140=703a_{140} = 703
a141 = 708
a141=708a_{141} = 708
a142 = 713
a142=713a_{142} = 713
a143 = 718
a143=718a_{143} = 718
a144 = 723
a144=723a_{144} = 723
a145 = 728
a145=728a_{145} = 728
a146 = 733
a146=733a_{146} = 733
a147 = 738
a147=738a_{147} = 738
a148 = 743
a148=743a_{148} = 743
a149 = 748
a149=748a_{149} = 748
a150 = 753
a150=753a_{150} = 753
a151 = 758
a151=758a_{151} = 758
a152 = 763
a152=763a_{152} = 763
a153 = 768
a153=768a_{153} = 768
a154 = 773
a154=773a_{154} = 773
a155 = 778
a155=778a_{155} = 778
a156 = 783
a156=783a_{156} = 783
a157 = 788
a157=788a_{157} = 788
a158 = 793
a158=793a_{158} = 793
a159 = 798
a159=798a_{159} = 798
a160 = 803
a160=803a_{160} = 803
a161 = 808
a161=808a_{161} = 808
a162 = 813
a162=813a_{162} = 813
a163 = 818
a163=818a_{163} = 818
a164 = 823
a164=823a_{164} = 823
a165 = 828
a165=828a_{165} = 828
a166 = 833
a166=833a_{166} = 833
a167 = 838
a167=838a_{167} = 838
a168 = 843
a168=843a_{168} = 843
a169 = 848
a169=848a_{169} = 848
a170 = 853
a170=853a_{170} = 853
a171 = 858
a171=858a_{171} = 858
a172 = 863
a172=863a_{172} = 863
a173 = 868
a173=868a_{173} = 868
a174 = 873
a174=873a_{174} = 873
a175 = 878
a175=878a_{175} = 878
a176 = 883
a176=883a_{176} = 883
a177 = 888
a177=888a_{177} = 888
a178 = 893
a178=893a_{178} = 893
a179 = 898
a179=898a_{179} = 898
a180 = 903
a180=903a_{180} = 903
a181 = 908
a181=908a_{181} = 908
a182 = 913
a182=913a_{182} = 913
a183 = 918
a183=918a_{183} = 918
a184 = 923
a184=923a_{184} = 923
a185 = 928
a185=928a_{185} = 928
a186 = 933
a186=933a_{186} = 933
a187 = 938
a187=938a_{187} = 938
a188 = 943
a188=943a_{188} = 943
a189 = 948
a189=948a_{189} = 948
a190 = 953
a190=953a_{190} = 953
a191 = 958
a191=958a_{191} = 958
a192 = 963
a192=963a_{192} = 963
a193 = 968
a193=968a_{193} = 968
a194 = 973
a194=973a_{194} = 973
a195 = 978
a195=978a_{195} = 978
a196 = 983
a196=983a_{196} = 983
a197 = 988
a197=988a_{197} = 988
a198 = 993
a198=993a_{198} = 993
a199 = 998
a199=998a_{199} = 998
a200 = 1003
a200=1003a_{200} = 1003
a201 = 1008
a201=1008a_{201} = 1008
a202 = 1013
a202=1013a_{202} = 1013
a203 = 1018
a203=1018a_{203} = 1018
a204 = 1023
a204=1023a_{204} = 1023
a205 = 1028
a205=1028a_{205} = 1028
a206 = 1033
a206=1033a_{206} = 1033
a207 = 1038
a207=1038a_{207} = 1038
a208 = 1043
a208=1043a_{208} = 1043
a209 = 1048
a209=1048a_{209} = 1048
a210 = 1053
a210=1053a_{210} = 1053
a211 = 1058
a211=1058a_{211} = 1058
a212 = 1063
a212=1063a_{212} = 1063
a213 = 1068
a213=1068a_{213} = 1068
a214 = 1073
a214=1073a_{214} = 1073
a215 = 1078
a215=1078a_{215} = 1078
a216 = 1083
a216=1083a_{216} = 1083
a217 = 1088
a217=1088a_{217} = 1088
a218 = 1093
a218=1093a_{218} = 1093
a219 = 1098
a219=1098a_{219} = 1098
a220 = 1103
a220=1103a_{220} = 1103
a221 = 1108
a221=1108a_{221} = 1108
a222 = 1113
a222=1113a_{222} = 1113
a223 = 1118
a223=1118a_{223} = 1118
a224 = 1123
a224=1123a_{224} = 1123
a225 = 1128
a225=1128a_{225} = 1128
a226 = 1133
a226=1133a_{226} = 1133
a227 = 1138
a227=1138a_{227} = 1138
a228 = 1143
a228=1143a_{228} = 1143
a229 = 1148
a229=1148a_{229} = 1148
a230 = 1153
a230=1153a_{230} = 1153
a231 = 1158
a231=1158a_{231} = 1158
a232 = 1163
a232=1163a_{232} = 1163
...