题目内容

直接写得数．
3992+2118=
1
3
-
1
4
=		3.6×
7
12
=		2.3÷1.6×3.2=
3.86+5.24=9
1
4
-8
3
4
=		5.75-（
1
7
+3
3
4
）=		0.125÷
3
8
=
4.02-2.03=
3
4
+
2
3
=
1
3
×
1
3
÷
1
3
×
1
3
=
3992+2118=6110，
1
3
-
1
4
=
1
12
，		3.6×
7
12
=2.1，		2.3÷1.6×3.2=4.6，
3.86+5.24=9.1，9
1
4
-8
3
4
=
1
2
，		5.75-（
1
7
+3
3
4
）=1
6
7
，		0.125÷
3
8
=
1
3
，
4.02-2.03=1.99，
3
4
+
2
3
=
17
12
，
1
3
×
1
3
÷
1
3
×
1
3
=
1
9
．
练习册系列答案
相关题目
直接写出得数．
402-139=		0.48÷0.3=2.5×40=3.7×1000=
1
3
×（15+
6
7
）=		684+198=12×1%=
7
8
×
3
14
=
7÷19=
3
11
×9÷
3
11
=
直接写出得数．
1000-458=		5.1-4.5=2.5-2.5×0.1=3.2×128×0.25=
1
2
+
1
3
=
1
5
+
4
5
=
1
2
+
1
2
×
1
3
=
1
2
×6×
1
3
=
口算．
9+4=		12-8=6+9=11-6=8+4-9=12-4=
14-9=13-7=9+9-8=13-9=12-3=11-2=
4+9=19-10+8=9+3=11-7=12-6=16-8=
18-8-6=50+6=67-7=9+80=82-2=3+8+7=
28+47=4-3.3=120×30=3.6÷O.12-0.12=
0.12=
1
2
+
3
4
=
3
4
×
2
9
=		24÷
3
8
=
直接写出得数．
47+16=		0.5×2.8=0.14÷0.2=
56×
3
8
=
1
6
÷
1
2
=
3
4
-
1
9
=
直接写出下面各题的计算结果．
328+297=503-199=1-0.72=0.14+0.86=
1
4
-
1
5
=
1
6
+
1
3
=		1+0.125=2.5×4=
1
2
-
1
3
+
1
2
-
1
3
=		3÷
3
4
×3÷
3
4
=
口算高速路．
476-98=		1×
4
5
=		3×
3
5
÷3×
3
5
=
5
7
×
21
25
=
1÷
4
5
=		0.25×0.4=0.99×
6
17
×0=
5
6
×1
1
5
×87=
96÷3+□=50．

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