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(  )
A.4×119.99×0.25B.119.99×(4×0.25)
C.119.99×(0.25+4)
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.

单项选择题
单项选择题