问题 解答题

7.02×900×0.6

0.035÷0.7÷0.5

13.6-13.6×0.7

5.62+3.1×0.6+3.38

(25-1.25×5)÷2.5

8.1×0.3+1.8×0.3+0.03.

答案

7.02×900×0.6,

=6318×0.6,

=3790.8;

0.035÷0.7÷0.5,

=0.035÷(0.7×0.5),

=0.035÷0.035,

=1;

13.6-13.6×0.7,

=13.6×(1-0.7),

=13.6×0.3,

=4.08;

5.62+3.1×0.6+3.38,

=5.62+1.86+3.38,

=5.62+3.38+1.86,

=9+1.86,

=10.86;

(25-1.25×5)÷2.5,

=18.75÷2.5,

=7.5;

8.1×0.3+1.8×0.3+0.03,

=8.1×0.3+1.8×0.3+0.3×0.1,

=0.3×(8.1+1.8+0.1),

=3.

单项选择题
单项选择题