问题 解答题
直接写出得数
6.47-0.87=______
10.8-2.63-7.37=______
1
4
÷
1
8
=______
3
4
+
1
4
)×8=______
1
2
÷
1
3
+
2
3
=______
3
2
=______
5-
1
3
=______
13.7×25+6.3×25=______
3
4
+
1
4
÷
1
4
+
3
4
=______
75%+
3
4
+25%=______.
答案

6.47-0.87=5.6; 10.8-2.63-7.37=0.8;
1
4
÷
1
8
=2;
3
4
+
1
4
)×8=8;
1
2
÷
1
3
+
2
3
=2
1
6
3
2
=
2
3
5-
1
3
=4
2
3
13.7×25+6.3×25=500;
3
4
+
1
4
÷
1
4
+
3
4
=2.5;
75%+
3
4
+25%=1.75.
故答案依次为:5.6,0.8,2,8,2
1
6
2
3
4
2
3
,500,2.5,1.75.

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