问题 解答题
递等式计算(能简便计算的要简便):
(1)478+208×5(2)200-124÷4(3)72÷2×5
(4)65+65÷5(5)912-512+88(6)1903-475×4.
答案

(1)478+208×5,

=478+1040,

=1518;

(2)200-124÷4,

=200-31,

=169;

(3)72÷2×5,

=36×5,

=180;

(4)65+65÷5,

=65+13,

=78;

(5)912-512+88,

=400+88,

=488;

(6)1903-475×4,

=1903-1900,

=3.

单项选择题
单项选择题