问题
选择题
(119.99+119.99+119.99+119.99)×0.25,下列解法中既正确又简便的是( )
|
答案
(119.99+119.99+119.99+119.99)×0.25,
=119.99×4×0.25,
=119.99×(4×0.25),
=119.99×1,
=119.99.
故选:B.
(119.99+119.99+119.99+119.99)×0.25,下列解法中既正确又简便的是( )
|
(119.99+119.99+119.99+119.99)×0.25,
=119.99×4×0.25,
=119.99×(4×0.25),
=119.99×1,
=119.99.
故选:B.