简便运算:3333.3*12340-111110*370.2 和..1234*1234-1233*1235分之654321
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![简便运算:3333.3*12340-111110*370.2 和..1234*1234-1233*1235分之654321](/uploads/image/z/9302022-54-2.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A3333.3%2A12340-111110%2A370.2+++++%E5%92%8C..1234%2A1234-1233%2A1235%E5%88%86%E4%B9%8B654321)
简便运算:3333.3*12340-111110*370.2 和..1234*1234-1233*1235分之654321
简便运算:3333.3*12340-111110*370.2 和..
1234*1234-1233*1235分之654321
简便运算:3333.3*12340-111110*370.2 和..1234*1234-1233*1235分之654321
3*11111*1234-11111*3702=11111*(3702)=0
分母1234*1234-1233*1234-1233=1234-1233=1
题目答案654321
3333.3*12340-111110*370.2
=33333*1234-11111*3072
=11111*1234*3-11111*1234*3
=11111*1234*(3-3)
=0
654321/(1234*1234-1233*1235)
=654321/(1234*1234-(1234^2-1))
=654321/1=654321