甲比乙多1/5,甲与乙的比是()?
假设乙为1,甲比乙多1/5,那么甲是1+1x(1/5)=6/5。甲:乙=(6/5):1=6:5
绛旓細鐢叉暟姣斾箼鏁澶1/5锛屼箼鏁姣旂敳鏁板皯1/6銆傛牴鎹鎰忓垪绠楀紡锛氬洜涓猴細涔欐暟x锛1+1/5锛=鐢叉暟 鎵浠ワ細6/5涔欐暟=鐢叉暟 鐢叉暟-涔欐暟 =鐢叉暟-鐢叉暟/锛6/5锛=鐢叉暟-5/6鐢叉暟 =1/6鐢叉暟 鎵浠ヤ箼鏁版瘮鐢叉暟灏1/6銆傚噺娉曡绠楃殑鎬ц川锛氳嚜鐒舵暟鐨勫噺娉曚笉鏄皝闂殑銆傞櫎闈炶鍑忔暟澶т簬鍑忔暟鎵嶅彲浠ユ槸灏侀棴鐨勩備緥濡傦紝26涓嶈兘...
绛旓細杩欐槸涓涓樺樊鍊嶉棶棰樷欍傚嶆暟=1+1.8=2.8銆傚樊锛氭病鏈夌洿鎺ョ粰浜堬紝鎴戜滑鍙互閫氳繃鐢茬粰涔1.2鍗冨厠涓や汉鐩稿悓锛屽緱鍒扮敳鍘熸潵姣斾箼澶1.2脳2=2.4鍗冨厠銆傝繖灏辨槸鐢蹭箼涔嬮棿鐨勫樊銆傛牴鎹В鈥樺樊鍊嶉棶棰樷欑殑鏂规硶锛氫箼鏈夋补=宸凤紙鍊嶆暟-1锛=1.2脳2梅锛1+1.8-1锛=2.4梅1.8 =1鍙1/3锛堝崈鍏嬶級鐢叉湁4/3+1.2脳...
绛旓細涔x鍏冿紝鐢4锛3x鍏 x+9=(1+4/5)(4/3x-9)x=18 4/3x=24 鐢叉湁24鍏冿紝涔18鍏
绛旓細[1/5]梅锛1+1/5锛=[1/5]梅[6/5]=[1/6]绛旓細涔鏁姣旂敳鏁板皯1/6銆傛湰棰樿冪偣锛 鍒嗘暟闄ゆ硶銆傝冪偣鐐硅瘎锛 鏈鍏堟壘鍑哄崟浣嶁1鈥濓紝鎶婂叾瀹冮噺鐢ㄥ崟浣嶁1鈥濊〃绀哄嚭鏉ワ紝鐒跺悗鏍规嵁姹備竴涓暟鏄彟涓涓暟鐧惧垎涔嬪嚑鐨勬柟娉曟眰瑙c傚垎鏁颁箻闄ゆ硶瑙i鎶宸 1銆佸埄鐢ㄦ暟閲忓叧绯诲紡瑙i 瑙g瓟鍒嗘暟搴旂敤棰橈紝寰寰瑕佹姄浣忛涓殑鈥...
绛旓細璁涔鏈墄鍏冿紝鐢叉湁锛1+1/3锛墄鍏冿紝锛1+1/3锛墄-x=10锛寈=30鍏冿紝鐢叉湁30+10=40鍏冿紝涔欐湁30鍏冦
绛旓細鐢茶蛋鐨勮矾绋嬶細1+1/5=6/5锛涔璧扮殑璺▼锛1 鐢茬敤鐨勬椂闂达細1 锛屼箼鐢ㄧ殑鏃堕棿锛1+1/8=9/8 鐢茬殑閫熷害锛6/5梅1=6/5锛屼箼鐨勯熷害锛1梅 9/8 = 8/9 鐢插拰涔欑殑閫熷害涔嬫瘮鏄細6/5:8/9=27:20
绛旓細璁惧師鏉ョ敳鏈墄鍙緤锛涔y鍙緤 {x-1=y+1 x+1=2(y-1)瑙e緱x=7,y=5 鍘熸潵鐢叉湁7鍙緤锛屼箼5鍙緤
绛旓細鐢叉瘮涔欏1/5锛屽垯鏈夌敳=锛1+1/5锛変箼銆傗憼 涔欐瘮涓欏1/5锛屽垯鏈変箼=锛1+1/5锛変笝銆傗憽 灏嗏憽浠e叆鈶狅紝寰楋細鐢=锛1+1/5锛変箼 =锛1+1/5锛夛紙1+1/5锛変笝 =6/5脳6/5涓 =36/25涓 =锛1+11/25锛変笝 鐢叉瘮涓欏11/25銆
绛旓細鐢=涔+1/4涔=5/4涔 涔=4/5鐢 鎵浠:鐢叉槸涔欑殑5/4锛涗箼姣旂敳灏1/5
绛旓細鏂规硶涓锛氬亣璁炬硶 鍋囪涔欐暟鏄細3锛屽垯鐢叉暟鏄4銆傦紙4-3锛壝4 =1梅4 =1/4 鏂规硶浜岋細鍗曚綅鈥1鈥濇硶 鎶婁箼鏁板綋浣滃崟浣嶁1鈥濓紝鍒欑敳鏁颁负锛氣4/3鈥濄傦紙4/3-1锛壝4/3 =1/3梅4/3 =1/4 绛旓細涔欐暟姣旂敳鏁板皯1/4銆傘愯В鏋愩戞湰棰樿冩煡瀵瑰崟浣嶁1鈥濈殑鎺屾彙銆傞氳繃鈥滅敳鏁姣斾箼鏁澶1/3鈥濓紝鍙互寰楀埌杩欏彞...