问题 解答题
直接写出得数.
572-298=
0.75+99×0.75=9.5+0.59=250×0.04=
6-
2
9
-
7
9
=
4
9
×
2
3
=
76×99=0.125×9×8=
(16+
8
9
)÷8
=
0.56÷0.8×5=
1
8
×8÷
1
8
×8
=
15.73-(2.8+1.73)=
答案

572-298=274;0.75+99×0.75=75;9.5+0.59=10.09;250×0.04=10;
6-
2
9
-
7
9
=5;
4
9
×
2
3
=1.5;
76×99=7524;0.125×9×8=9;
(16+
8
9
)÷8
=2
1
9
0.56÷0.8×5=3.5;
1
8
×8÷
1
8
×8
=64;
15.73-(2.8+1.73)=11.2.
故答案依次为:274,75,10.09,10,5,1.5,7524,9,2
1
9
,3.5,64,11.2.

实验题
单项选择题 A3/A4型题