
三百四十分之x减一千五百三十一分之x等于2.43?
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三百四十分之x减一千五百三十一分之x等于2.43
x/340 - x/1531 = 2.43
x/340 - x/1531 = 243/100
x/340 - x/1531 = 243/100
(1531-340)x/520540 = 243/100
1191x/520540 = 243/100
11910x/5205400 = 126491220/5205400
11910x = 126491220
x = 12649122/1191
x/340 - x/1531 = 2.43
x/340 - x/1531 = 243/100
x/340 - x/1531 = 243/100
(1531-340)x/520540 = 243/100
1191x/520540 = 243/100
11910x/5205400 = 126491220/5205400
11910x = 126491220
x = 12649122/1191
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