???+???=???九个数字成等式

来源:百度知道 编辑:UC知道 时间:2024/05/15 14:57:42
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排除两个加数调换位置,共有544个算式:
103+469=572,103+479=582,103+579=682,103+649=752,103+749=852
103+759=862,104+579=683,104+759=863,105+269=374,105+279=384
105+387=492,105+629=734,105+729=834,105+837=942,106+279=385
106+379=485,106+487=593,106+729=835,106+739=845,106+847=953
107+249=356,107+385=492,107+429=536,107+486=593,107+835=942
107+846=953,108+249=357,108+259=367,108+359=467,108+429=537
108+529=637,108+539=647,109+247=356,109+248=357,109+258=367
109+265=374,109+275=384,109+276=385,109+358=467,109+376=485
109+427=536,109+428=537,109+463=572,109+473=582,109+528=637
109+538=647,109+573=682,109+574=683,109+625=734,109+643=752
109+725=834,109+726=835,109+736=845,109+743=852,109+753=862
109+754=863,123+467=590,123+586=709,124+659=783,124+679=803
125+478=603,125+609=734,125+679=804,125+709=834,125+739=864
126+378=504,126+583=709,126+709=835,127+359=486,127+368=495
127+409=536,127+463=590,128+367=495,128+376=504,128+409=537