甲数是40。乙数是50。乙数比甲数多()%,列式(),还可列式() 列式计算.(1)甲数为50,乙数比甲数的2倍还多10,那么甲...
\u7532\u6570\u4e0e\u4e59\u6570\u7684\u548c\u662f320\uff0c\u7532\u662f\u4e59\u76843\u500d\uff0c\u7532\u662f\u591a\u5c11\uff1f(\u5217\u5f0f)1\u3001\u8bbe\u7532\u6570\u4e3ax\uff0c\u4e59\u6570\u4e3ay\uff0c\u90a3\u4e48
x+y=320 ---- 1\u5f0f
x=3y -----2\u5f0f
\u5c06 2\u5f0f\u5e26\u51651\u5f0f\u4e2d\uff0c\u5f97\u5230 3y+y=320\uff0c\u5f97\u5230 y=320\u00f74=80\uff0c\u5219x=240\uff0c\u5373\u7532\u6570\u4e3a240.
\uff081\uff0950\u00d72+10+50\uff0c=100+10+50\uff0c=110+50\uff0c=160\uff1b\u7b54\uff1a\u7532\u3001\u4e59\u4e24\u6570\u7684\u548c\u4e3a160\uff0e\uff082\uff09\uff08336-24\uff09\u00f712\uff0c=312\u00f712\uff0c=26\uff1b\u7b54\uff1a\u5546\u662f26\uff0e
甲数是40。乙数是50。乙数比甲数多(25)%,列式((50-40)÷40),还可列式(50÷40)-100%
50➗40-1 还可:(50-40)➗40
25 (50-40)/40 50/40-1
如图
甲数是40。乙数是50。乙数比甲数多(25)%,列式(50-40/40),还可列式(50-40:40)要过程的哦。
绛旓細鐢叉暟鐨40%绛変簬涔欐暟鐨50%锛岀敳锛屼箼涓ゆ暟涔嬫瘮鏄紙5 锛夛細锛4 锛夛紙1梅40%锛夛細锛1梅50%锛夛紳5锛4
绛旓細宸茬煡鐢叉暟鏄40锛涔欐暟鏄50銆傦紙1锛夎璁$畻鐢叉暟姣斾箼鏁板皯鐧惧垎涔嬪灏戯紝灏辫浠ヤ箼鏁颁负鍙傜収锛屾妸涔欐暟鐪嬪仛鍗曚綅鈥1鈥濇潵杩涜姣旇緝銆(50-40)梅50脳100%=20 锛2锛夎璁$畻涔欐暟姣鐢叉暟澶氱櫨鍒嗕箣澶氬皯锛屽氨瑕佷互鐢叉暟涓哄弬鐓э紝鎶婄敳鏁扮湅鍋氬崟浣嶁1鈥濇潵杩涜姣旇緝銆(50-40)梅40脳100%=25 ...
绛旓細鐢叉暟鏄40锛涔欐暟鏄50锛岀敳鏁版瘮涔欐暟灏戯紙20锛%锛涔欐暟姣鐢叉暟澶氾紙25锛%銆1 (50-40)梅50脳100%=20 2 锛50-40锛壝40脳100%=25
绛旓細鐢叉暟鐨40%绛変簬涔欐暟鐨50%,鐢,涔欎袱鏁颁箣姣旀槸锛5 锛夛細锛4 锛夛紙1梅40%锛夛細锛1梅50%锛夛紳5锛4
绛旓細鐢叉暟鏄40涔欐暟鏄50鐢叉暟姣斾箼鏁板皯锛10 锛/锛堜簲鍒嗕箣涓 锛夛紝涔欐暟姣鐢叉暟澶氾紙10 锛/锛 鍥涘垎涔嬩竴锛夈
绛旓細涓銆佸~绌猴細锛21%锛1.鐢叉暟鏄40锛涔欐暟鏄50锛屼箼鏁版槸鐢叉暟鐨勶紙 锛%锛岀敳鏁版槸涔欐暟鐨勶紙 锛%锛岀敳鏁版瘮涔欐暟灏戯紙 锛%锛涔欐暟姣鐢叉暟澶氾紙 锛%銆2锛30骞虫柟绫虫瘮24骞虫柟绫冲锛 锛% 5绫崇殑锛 锛%鏄2绫 姣75鍚ㄥ锛 锛%鏄93鍚 锛 锛夊崈鍏嬫瘮45鍗冨厠澶40 3锛庝竴鏈功瀹氫环15鍏冿紝鍞嚭鍚庡彲鑾峰埄50%锛屽...
绛旓細鐢叉暟姣斾箼鏁板皯锛50-40锛/50=1/5 涔欐暟姣旂敳鏁澶氾紙50-40锛/40=1/4
绛旓細鐢叉暟鏄箼鏁鐨:40梅50=80 鐢叉暟姣斾箼鏁板皯:(50-40)梅50=20 涔欐暟姣鐢叉暟澶:(50-40)梅40=25 寰堥珮鍏翠负鎮ㄨВ绛旓紝绁濅綘瀛︿範杩涙锛佹湁涓嶆槑鐧界殑鍙互杩介棶锛佸鏋滄偍璁ゅ彲鎴戠殑鍥炵瓟銆傝鐐瑰嚮涓嬮潰鐨勩愰変负婊℃剰鍥炵瓟銆戞寜閽紝璋㈣阿锛
绛旓細鐢叉暟鐨40%绛変簬涔欐暟鐨50%锛岀敳锛屼箼涓ゆ暟涔嬫瘮鏄紙5 锛夛細锛4 锛夛紙1梅40%锛夛細锛1梅50%锛夛紳5锛4
绛旓細锛50-40锛壝50=1/5 绛旂敳鏁版瘮涔欐暟灏1/5 锛50-40锛壝40=1/4 绛涔欐暟姣旂敳鏁澶1/4