38X50x1/3÷100/9x300+6000x1/3x157600/900
=38x50x1/3x9/100x300+6000x1/3x1576/9=38x50x9+2000x174
=12385069
38×50×1/3÷100/9×300+6000×1/3×57600/900
=38×50×1/3×9/100×300+2000×576/9
=38×50×3/100×300+2000×64
=38×50×9+128000
=17100+12800
=29900
1900/3÷1000/3+2000×1576/9
=19/10+3152000/9
=171/90+31520000/90
=31520171/90
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