问题 解答题

选择适合你的方法计算,并写出过程.

(1)208×13-3672÷18

(2)4×505×25

(3)[332-(32+278)]×186

(4)30×(1836÷18+18×11)

(5)40×(250×88)

(6)125×808

(7)32×64-23×64+64

(8)(24+24+24)×25.

答案

(1)208×13-3672÷18,

=2704-204,

=2500;

(2)4×505×25,

=4×25×505,

=100×505,

=50500;

(3)[332-(32+278)]×186,

=[332-32-278]×186,

=[300-278]×186,

=22×186,

=4092;

(4)30×(1836÷18+18×11),

=30×(102+198),

=30×300,

=9000;

(5)40×(250×88),

=40×250×88,

=10000×88,

=880000;

(6)125×808,

=125×800+125×8,

=100000+1000,

=101000;

(7)32×64-23×64+64,

=(32-23+1)×64,

=10×64,

=640;

(8)(24+24+24)×25,

=24×3×25,

=4×25×6×3,

=100×6×3,

=1800.

单项选择题 A1/A2型题
单项选择题