问题 解答题
计算下面各题,能简算的要简算.
0.89×100.1146.5-(23+46.5)5.83×2+5.83×845.9÷8÷0.125.
答案

(1)0.89×100.1,

=0.89×(100+0.1),

=89+0.089,

=89.089;

(2)146.5-(23+46.5),

=146.5-23-46.5,

=146.5-46.5-23,

=100-23,

=77;

(3)5.83×2+5.83×8,

=5.83×(2+8),

=5.83×10,

=58.3;

(4)45.9÷8÷0.125,

=45.9÷(8×0.125),

=45.9÷1,

=45.9.

填空题
单项选择题