两个连续双数的和是98，这两个数各是多少？ 两个连续奇数的和是112这两个数分别是多少和多少两个连续偶数...
\u4e24\u4e2a\u8fde\u7eed\u5076\u6570\u662f98\uff0c\u8fd9\u4e2a\u8fd9\u4e24\u4e2a\u5076\u6570\u5206\u522b\u662f\u591a\u5c11\uff1f\u4e24\u4e2a\u8fde\u7eed\u5076\u6570\u7684\u548c\u662f98\uff0c\u8fd9\u4e2a\u8fd9\u4e24\u4e2a\u5076\u6570\u5206\u522b\u662f\u591a\u5c11\uff1f
98/2 = 49
48
50
\u8fd9\u4e24\u4e2a\u5076\u6570\u5206\u522b\u662f 48\uff0c50\u3002
\u8fd9\u4e2a\u9898\u76ee\u597d\u8bf4\uff0c
\u8fde\u7eed\u7684\u5947\u6570\u548c\u662f112\uff0c
\u5982\u679c\u6211\u4eec\u5047\u8bbe\u4e00\u4e0b\uff0c\u5c0f\u7684\u5947\u6570\u662fx\uff0c\u90a3\u4e48\u5927\u7684\u5947\u6570\u5c31\u662fx+2\uff0c
\u90a3\u4e48x+x+2=112
\u6240\u4ee5x=55\uff0c\u8fd9\u6837\u5c31\u89e3\u7b54\u51fa\u6765\u4e86\uff0c
\u4e24\u4e2a\u8fde\u7eed\u7684\u5947\u6570\u5206\u522b\u4e3a55\uff0c57\u3002
\u7b2c\u4e8c\u95ee\uff0c\u4e5f\u53ef\u4ee5\u7528\u540c\u6837\u7684\u65b9\u6cd5\u53bb\u89e3\u7b54\uff0c
\u6700\u540e\u53ef\u4ee5\u89e3\u51fa\u6765\u4e3a48\uff0c50\u3002
绛旓細宸茬煡涓涓暟鏄痻锛屾墍浠ュ墠涓涓暟灏辨槸x-1锛屽畠浠鐨勫拰灏辨槸x+x-1=98銆傛墍浠=99梅2=49.5锛屾墍浠杩欎袱涓暟灏辨槸49.5锛48.5銆
绛旓細绛旀鏄;48鍜50,涓や釜鐩搁偦鐨(鍋讹級鏁扮殑鍜屾槸98锛濡傛灉璇存槸鑷劧鏁伴偅鍙兘鏄紝48.5+49.5=98锛屾病鏈夊鏁板瓨鍦ㄣ傚笇鏈涘強鏃堕噰绾炽
绛旓細49*49=2401
绛旓細璁捐繖涓や釜杩炵画濂囨暟涓(2n-1)鍜(2n+1)锛屽垯(2n-1)+(2n+1)=112 4n=112 瑙ｅ緱n=28锛2*28-1=55锛2*28+1=57锛屾墍浠锛岃繖涓や釜杩炵画濂囨暟鏄55鍜57銆傝杩欎袱涓繛缁伓鏁颁负2n鍜2n+2锛屽垯2n+(2n+2)=98 4n+2=98 4n=96 瑙ｅ緱n=24锛2*24=48锛2*24+2=50锛屾墍浠ワ紝杩欎袱涓繛缁伓鏁颁负48鍜50銆
绛旓細杩欎釜棰樼洰濂借锛岃繛缁殑濂囨暟鍜屾槸112锛屽鏋滄垜浠亣璁句竴涓嬶紝灏忕殑濂囨暟鏄痻锛岄偅涔堝ぇ鐨勫鏁板氨鏄痻+2锛岄偅涔坸+x+2=112 鎵浠=55锛岃繖鏍峰氨瑙ｇ瓟鍑烘潵浜锛屼袱涓繛缁殑濂囨暟鍒嗗埆涓55锛57銆傜浜岄棶锛屼篃鍙互鐢ㄥ悓鏍风殑鏂规硶鍘昏В绛旓紝鏈鍚庡彲浠ヨВ鍑烘潵涓48锛50銆
绛旓細48'50
绛旓細璁句竴涓暟鏄痻锛屽彟涓涓暟鏄痽锛屽垯 x + y = 98 x - y = 32 瑙ｅ緱锛歺=65 y=33 绛旓細涓涓鏁版槸65锛屽彟涓涓暟鏄33
绛旓細瑙ｏ細璁惧皬鏁版槸x锛屽ぇ鏁版槸6x锛6x+x=98 7x=98 x=98梅7 x=14 澶ф暟=6x=6脳14=84 绛旓細杩欎袱涓暟鍒嗗埆鏄14銆84.
绛旓細x+y=98 x-y=4琛ュ厖锛歽涓嶈兘涓0 x涔熸槸瑕佸ぇ浜巠
绛旓細x+y=98 x-y=4 鈥滅瓟瀵逛笉閲囩撼鈥濄傘傘傚ソ鏈変釜鎬у晩锛
