问题 解答题
直接写得数.
450-160=
0.25×4=6.7-3.8=1.8÷0.2=
3.14+1.86=16×25%=101×25=
2
7
+
3
4
+
5
7
=
1
2
-
1
3
=
3-
1
8
-
7
8
=
2
3
×0+3=
6.23-(2.23+2.91)=
3
5
×
2
7
+
2
5
×
2
7
=
1
2
×
1
3
÷
1
3
×
1
2
=
答案

450-160=2900.25×4=16.7-3.8=2.91.8÷0.2=9
3.14+1.86=516×25%=4101×25=2525
2
7
+
3
4
+
5
7
=1
3
4
1
2
-
1
3
=
1
6
3-
1
8
-
7
8
=2
2
3
×0+3=3
6.23-(2.23+2.91)=6.91
3
5
×
2
7
+
2
5
×
2
7
=
2
7
1
2
×
1
3
÷
1
3
×
1
2
=
1
4

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