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4,5,9,12算24

(5/(4/12))+9 ((5/4)*12)+9 (5*12)-(4*9) ((5*12)/4)+9 (5*(12/4))+9 (5*12)-(9*4) 9+(5/(4/12)) 9+((5/4)*12) 9+((5*12)/4) 9+(5*(12/4)) 9+(12/(4/5)) 9+((12/4)*5) 9+((12*5)/4) 9+(12*(5/4)) (12/(4/5))+9 ((12/4)*5)+9 (12*5)-(4*9) ((12*5...

(5/(4/12))+9 ((5/4)*12)+9 (5*12)-(9*4) (5*12)-(4*9) ((5*12)/4)+9 (5*(12/4))+9 9+(5/(4/12)) 9+((5/4)*12) 9+((5*12)/4) 9+(5*(12/4)) 9+((12*5)/4) 9+(12*(5/4)) 9+(12/(4/5)) 9+((12/4)*5) (12*5)-(9*4) (12*5)-(4*9) ((12*5)/4)+9 (12*(5...

(4+4)×(12-9)=24

(9-4)*5-1=24

5*12-4*9

农用轮胎与普通汽车轮胎的参数标定不一样,如上述问题中,12.4-24的轮胎中12.4指轮胎宽度为12.4英寸,即12.4in*25.4=314.96mm≈315mm,24指轮辋直径为24英寸,那轮胎直径约为轮辋直径+2倍胎宽,24+12.4*2=48.8英寸,即48.8in*25.4=1239.52≈1240mm...

解:(12/√4)×(9-5)=6×4=24.

12*5-4*9=24

(9+5)x2-4=24

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