问题 解答题
计算下面各题,能简便计算的要用简便方法计算.
296+73+104+371600÷25÷4125×54-46×125
50.34+11.645-42.34125×25×3299+99×99
答案

(1)296+73+104+37,

=(296+104)+(73+37),

=400+110,

=510;

(2)1600÷25÷4,

=1600÷(25×4),

=1600÷100,

=16;

(3)125×54-46×125,

=125×(54-46),

=125×8,

=1000;

(4)50.34+11.645-42.34,

=50.34-42.34+11.645,

=8+11.645,

=19.645;

(5)125×25×32,

=125×25×4×8,

=(125×8)×(25×4),

=1000×100,

=100000;

(6)99+99×99,

=99×(1+99),

=99×100,

=9900.

单项选择题
单项选择题