问题 解答题
直接写出结果.
8+12.5%=
0.15×0.4=6-
4
5
=
1
5
+
1
2
=
3
7
×21=
1
4
÷
2
5
=
7-5.3=6÷0.15=
答案

8+12.5%=8.125,0.15×0.4=0.06,6-
4
5
=5
1
5
1
5
+
1
2
=
7
10
3
7
×21=9,
1
4
÷
2
5
=
5
8
7-5.3=1.7,6÷0.15=40.
故答案为:8.125,0.06,5
1
5
7
10
,9,
5
8
,1.7,40.

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