问题 解答题
计算下面各题,能简算的要简算
0.87×4.5-4.5×0.673.18-(0.33+1.18)
1.2+1.47÷0.71.76-[(0.74+0.26)÷0.8].
答案

(1)0.87×4.5-4.5×0.67,

=4.5×(0.87-0.67),

=4.5×0.2,

=0.9;

(2)3.18-(0.33+1.18),

=3.18-1.18-0.33,

=2-0.33,

=1.67;

(3)1.2+1.47÷0.7,

=1.2+2.1,

=3.3;

(4)1.76-[(0.74+0.26)÷0.8],

=1.76-[1÷0.8],

=1.76-1.25,

=0.51;

单项选择题 A型题
判断题