问题 解答题
直接写出下面各题的结果.
56+37=
80-16=31.5+5=12-1.1=
1.2×0.2=2.87÷0.7=
1
6
+
5
6
=
3
8
×
4
5
=
30÷50=25×8=
1
4
+
1
5
=
4
15
÷
2
5
=
12×
2
3
4
5
=
7
8
=
1
3
×2÷
1
3
×2=
答案

56+37=93;80-16=64;31.5+5=36.5;12-1.1=10.9;
1.2×0.2=0.24;2.87÷0.7=4.1;
1
6
+
5
6
=1;
3
8
×
4
5
=0.3;
30÷50=0.625×8=200;
1
4
+
1
5
=
9
20
4
15
÷
2
5
=
2
3
12×
2
3
=8;
4
5
=1.25;
7
8
=0;
1
3
×2÷
1
3
×2=4.
故答案依次为:93,64,36.5,10.9,0.24,4.1,1,0.3,,06,200,
9
20
2
3
,8,1.25,0,4.

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