Question

2005×3/8-1949÷2又2/3+3又3/4×10.4

Answer 1

2005×3/8-1949÷2又2/3+3又3/4×10.4原试=2005*3/8-1949*3/8+3又3/4*10.4
=（2005-1949)*3/8+3又3/4*10.42005x8/ 3-1949÷2又3/2+3又4/3×10.4
=60
=2005*3/8-1949*3/8+15/4*52/52005×3/8-1949÷2又2/3+3又3/4×10.4
=2005*3/8-1949*3/8+102*3/8【1+3+5+7+9.。。。。2005】-【2+4+6+8+10.。。。2004】=
=(2005-1949+102)*3/82005×3/8-1949÷2又2/3+3又3/4×10.4
=2005*3/8-1949*3/8+15/4*52/51/1998,8183879863021289979668922264≈5.0029557787933236577736164281142e-4≈0.0005
=2005*3/8-1949*3/8+102*3/8
=(2005-1949+102)*3/8
=117/2
=117/2

Answer 2

2005×3/8-1949÷2又2/3+3又3/4×10.4

Answer 3

2005×3/8-1949÷2又2/3+3又3/4×10.4
=2005*3/8-1949*3/8+15/4*52/5
=2005*3/8-1949*3/8+102*3/8
=(2005-1949+102)*3/8
=117/2

追问

这样对吗

追答

是的

Answer 4

原试=2005*3/8-1949*3/8+3又3/4*10.4
=（2005-1949)*3/8+3又3/4*10.4
=60