3600000÷125÷32÷25
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/18 18:43:32
3600000÷125÷32÷25
1.25×6.78+25×3.47+125×0.0382
20042005×20052004-20042004×20052005.
1.25×6.78+25×3.47+125×0.0382
20042005×20052004-20042004×20052005.
(1)3600000÷125÷32÷25,
=3600000÷(125×32×25),
=3600000÷[(125×8)×(4×25)],
=3600000÷[1000×100],
=3600000÷100000,
=36;
(2)1.25×6.78+25×3.47+125×0.0382,
=1.25×6.78+1.25×20×3.47+1.25×3.82,
=1.25×(6.78+69.4+3.82),
=1.25×80,
=100;
(3)20042005×20052004-20042004×20052005,
=20042005×(20052005-1)-20042004×20052005,
=20042005×20052005-20042005-20042004×20052005,
=20052005×(20042005-20042004)-20042005,
=20052005-20042005,
=10000.
再问: 谢了
=3600000÷(125×32×25),
=3600000÷[(125×8)×(4×25)],
=3600000÷[1000×100],
=3600000÷100000,
=36;
(2)1.25×6.78+25×3.47+125×0.0382,
=1.25×6.78+1.25×20×3.47+1.25×3.82,
=1.25×(6.78+69.4+3.82),
=1.25×80,
=100;
(3)20042005×20052004-20042004×20052005,
=20042005×(20052005-1)-20042004×20052005,
=20042005×20052005-20042005-20042004×20052005,
=20052005×(20042005-20042004)-20042005,
=20052005-20042005,
=10000.
再问: 谢了