Tính nhanh: 9,83:1,25:8+10,23:40:0,25
Giải thích
9,83:1,25:8+10,23:40:0,25=9,83:(1,25×8)+10,23:(40×0,25)=9,83:10+10,23:10=(9,83+10,23):10=20,06:10=2,006
9,83:1,25:8+10,23:40:0,25=9,83:(1,25×8)+10,23:(40×0,25)=9,83:10+10,23:10=(9,83+10,23):10=20,06:10=2,006